The Complete UK Prepper Dictionary: 130+ Survival, Bushcraft and Resilience Terms Explained

If you’ve ever been confused by conversations about prepping, bushcraft, or UKSN Charters, you’re not alone. The world of preparedness has its own language, filled with acronyms, kits, emergency jargon, and survival concepts. Knowing these terms isn’t just about sounding knowledgeable - it’s about improving clarity, safety, and effectiveness when planning for real-world UK emergencies such as flooding, power outages, extreme weather, or supply disruption.

The Essential Prepper Dictionary

This dictionary is designed specifically for UK preppers, campers, bushcrafters, and self-sufficiency enthusiasts. It explains everything from emergency kits and communication systems to community resilience, skills, and commonly used prepper acronyms. Whether you’re a beginner or a seasoned UKSN member, this resource will help you understand the language of preparedness and take action with confidence.

A - Alpha

After Action Report (AAR) – A structured review after an event, exercise, or incident to identify successes, failures, and improvements.

All Hazards Approach – Planning for multiple emergency scenarios rather than focusing on a single threat.

Alternative Cooking Methods – Ways to cook without mains utilities, including camping stoves, rocket stoves, Kelly kettles, or legal outdoor fires.

Anchor Points – Secure locations used to attach tarps, shelters, or guy lines.

Antenna – A device that transmits and receives radio waves. Antenna design affects frequency, directionality, and efficiency.

B - Bravo

Bandwidth – The range of frequencies a radio signal occupies. Wider bandwidth allows more data or voice to be transmitted, which can improve communication quality but may reduce range in long-distance or off-grid setups.

BOB (Bug Out Bag) – A pre-packed bag designed to support you for 24–72 hours during a sudden evacuation.

Bug In – Staying at home during an emergency because it is safer than evacuating.

Bug Out – Leaving your home due to imminent danger such as fire, flooding, or structural risk.

Bushcraft – Outdoor skills including fire lighting, shelter building, tracking, tool use, and survival techniques.

C - Charlie

Call Sign – A unique identifier used by radio operators to distinguish themselves during communications.

Cache – A hidden store of essential items such as food, water, or tools, kept for future use.

Carbon Steel – A type of blade steel known for its excellent edge retention, strength, and ease of sharpening. Carbon steel knives are popular in bushcraft and prepping because they perform well for carving, firecraft tasks, and heavy outdoor use. However, they require regular maintenance to prevent rust, especially in damp UK conditions.

CBRN – Hazards involving chemical, biological, radiological, or nuclear agents, requiring specialised awareness and preparedness.

CME – A solar phenomenon where the sun releases large bursts of plasma and magnetic fields, which can trigger geomagnetic storms on Earth and disrupt electrical grids and electronics.

Community Resilience – The ability of local people to prepare for, respond to, and recover from emergencies together.

Comms (Communications) – Radios, mobile devices, or agreed meeting points for team coordination.

Contingency Plan – A backup plan activated if the primary plan fails.

Contingency Routes – Contingency Routes are alternative travel paths planned in case primary routes are blocked or unsafe during an evacuation.

Compost Bin – A container or pile used to decompose organic waste into nutrient-rich soil. Composting supports self-sufficiency and sustainable gardening, reducing waste while improving soil health. Charter - A UKSN Charter is a member-run mutual assistance group operating within the framework of UKSN. Charters are designed to provide localised support, training, and community resilience among members.

Chisel Grind – A blade sharpened on only one side, with the other side flat. Produces extremely sharp edges for carving and woodworking but requires careful technique for cutting straight lines.

CPR – A life-saving technique used to maintain blood circulation and breathing in a person whose heart has stopped or who is not breathing.

D - Delta

dBi stands for decibels relative to an isotropic antenna and measures the gain or efficiency of an antenna. A higher dBi value indicates that the antenna focuses more signal in a particular direction, improving range and signal strength for communications such as HAM, VHF, UHF, or LoRa networks. Defensive Landscaping – Managing vegetation or obstacles to reduce fire or security risks.

Dehydrated Food – Food with moisture removed to increase shelf life.

Decontamination – The process of removing or neutralising hazardous substances from people, equipment, or surfaces after exposure to NBC or CBRN threats.

Disaster Plan – A household or group plan detailing how to respond to emergencies.

Diversification of Supplies – Avoiding reliance on a single source for essentials. Directional Antenna

Directional Antenna – An antenna designed to focus signals in a specific direction, increasing range and strength for point-to-point communication. Often used for linking nodes or long-range LoRa connections.

E - Echo

EDC (Everyday Carry) – Essential items carried daily, such as a torch, notebook, or power bank, all within UK legal limits.

Emergency Kit – Supplies stored at home, work, or in a vehicle to sustain you during short-term disruption.

Emergency Escape Route – A planned route for leaving a building, home, or area safely during an emergency.

Emergency Water Storage – Safe, potable water kept for use during supply interruption. EMP – A burst of electromagnetic energy that can disrupt or destroy electronic devices and electrical systems, potentially affecting communications, power, and appliances. Evacuation – Evacuation is the planned movement of people from a dangerous area to a safer location during an emergency. In the UK, this often applies to floods, fires, or severe weather events.

Evacuation Plan – An Evacuation Plan is a documented strategy outlining how people will leave danger zones safely.

Evacuation Kit – A pre-packed set of essential items, including food, water, first aid, and documents, prepared for rapid evacuation.

F - Foxtrot

FAW (First Aid at Work) – A UK regulated first aid qualification for workplace responders, covering CPR, shock management, major bleeding, burns, and fractures.

Faraday Cage – A protective enclosure made from conductive material that blocks EMP and electrical interference, protecting radios, laptops, and other electronics.

Flood Preparedness – Planning and equipment to reduce flood risk.

Flat Grind – A blade where the metal tapers evenly from spine to edge. Offers versatility for slicing, cutting, and general use, suitable for everyday tasks and outdoor preparation.

Food Rotation – Using older stored food first and replacing it to prevent spoilage.

First Aid Kit – A kit containing medical supplies to treat minor injuries and stabilise serious ones until help arrives.

Fire Lighting / Firecraft – The skills required to safely build and maintain fire using legal outdoor methods.

Full Tang – A knife construction where the metal of the blade runs the entire length and width of the handle. Full tang knives are stronger, more durable, and better suited to demanding bushcraft and survival tasks such as batoning and chopping.

Frequency – The number of times a radio wave oscillates per second, measured in hertz (Hz). Different frequencies are used for VHF, UHF, HAM, and LoRa communications, affecting range, signal penetration, and suitability for indoor or outdoor use.

G - Golf

GHB (Get Home Bag) – A smaller bag designed to help you safely return home from work or another location. A GHB usually focusses on immediate needs such as food, water, first aid, clothing, and communication tools.

Go Bag – Similar to GHB, a Go Bag is a pre-packed kit containing essential items to help you leave quickly during an emergency.

Grey Man – Blending in to avoid drawing attention during uncertainty or disruption.

Grid Down – A power outage affecting a local area or region.

H - Hotel

Hard Skills – Practical abilities such as fire lighting, shelter building, water purification, and first aid.

HAM (Ham Radio) – HAM refers to amateur radio operators and the equipment they use for long-distance communication.

HEMP – An EMP generated by a high-altitude nuclear detonation, capable of affecting very wide areas and causing widespread electronic disruption.

Home Hardening – Improving property resilience against weather, intrusion, or utility failure.

Hyperthermia – A condition where the body overheats due to prolonged exposure to high temperatures, leading to heat exhaustion or heat stroke if untreated.

Hypothermia – A condition where the body loses heat faster than it can produce it, causing dangerously low core temperatures, often from prolonged exposure to cold, wet, or windy conditions.

Hollow Grind – A knife that features a hollow grind has a concave bevel that creates a very sharp, fine edge. Excellent for precision cutting and fine work, though it can be less durable under heavy use.

I - India

ICE (In Case of Emergency) – Emergency contact information stored in a phone or wallet.

IFAK (Individual First Aid Kit) – A compact personal kit designed for immediate medical care, carried in a bag, backpack, or bug out bag.

Inventory Management – Keeping track of supplies, quantities, and expiry dates.

Insulation Layering – Using base, mid, and outer layers to regulate body temperature.

INCH (I’m Never Coming Home) – A permanent evacuation scenario.

INCH Bag – A kit designed for permanent or long-term evacuation scenarios, containing supplies for extended self-sufficiency.

Incident Command – Incident Command refers to the structured coordination of resources and people during an emergency, ensuring clear responsibilities and effective response.

J - Juliett

Jerky – Dried meat preserved for long-term storage.

Jerry Can – A durable fuel or water container.

K - Kilo

Kelly Kettle – A chimney style kettle for efficient boiling of water using sticks or natural fuel.

Kit Discipline – Keeping equipment organised, clean, and functional. Knife Grinds – Knife Grinds refer to the shape and angle of a knife blade’s edge, which affects cutting performance, durability, and ease of sharpening.

L - Lima

Long Term Food Storage – Food stored in airtight containers, vacuum-sealed, or with oxygen absorbers to extend shelf life.

LoRa – Low power, long range radio communication technology, used for off-grid messaging. Line of Sight – The straight, unobstructed path between a transmitter and receiver. VHF, UHF, and LoRa signals generally require line of sight for maximum range and clarity.

M - Mike

MAG (Mutual Assistance Group) – A group of trusted individuals supporting each other during emergencies.

Morale Management – Maintaining mental and emotional wellbeing during prolonged disruption.

Multi Fuel Stove – A stove that can burn multiple fuel types safely. Mesh – A Mesh Network is a type of communication system where devices connect directly to each other rather than relying on a central hub. I

Meshtastic - Meshtastic is an open-source messaging system that works over long-range LoRa radios. It is utilised by Project LoRa to send text messages and share locations off-grid, making it ideal for camping, bushcraft trips, and emergency communication when mobile networks are unavailable.

N - November

Navigation / Map & Compass – The ability to travel safely and accurately using physical maps and a compass rather than relying solely on GPS.

Net Control – Person coordinating radio communications during an event or emergency. Node – A Node is an individual device or station within a mesh or radio network that transmits, receives, and relays messages. In UKSN and Project LoRa/Meshtastic setups, nodes work together to extend communication range, allowing members to stay connected off-grid in remote areas.

NBC – Awareness and preparation for nuclear, biological, and chemical hazards, including radiation, pathogens, or chemical agents.

O - Oscar

OPSEC (Operational Security) – Protecting sensitive information about plans, supplies, and capabilities.

Off Grid – Operating without reliance on mains electricity, gas, or water. Omni-Directional Antenna – An antenna that radiates or receives signals equally in all directions. Useful for general coverage when communication is needed across multiple directions, such as during Charter coordination.

P - Papa

Partial Tang – A knife construction where the blade metal extends only partway into the handle. Partial tang knives are typically lighter and may be suitable for light cutting tasks, but they are generally less robust than full tang designs for heavy outdoor use.

Personal Resilience – Physical, mental, and emotional capacity to handle stress and disruption.

Potable Water – Safe drinking water.

Prepper – Someone who takes practical steps to prepare for emergencies through planning, training, and responsible stockpiling.

Prepping – The act of preparing for emergencies using planning, skills, and supplies.

Preparedness Planning – Organised management of skills, supplies, and communication strategies. Project LoRa – Project LoRa is a long-range, low-power radio communication system used for off-grid messaging and location sharing. UKSN members use it to stay connected in remote areas without relying on mobile networks or the internet.

Phonetic Alphabet (A–Z) – The Phonetic Alphabet is a set of code words used to spell out letters clearly over radios or other communications. It ensures that messages are understood even in noisy or emergency situations. UKSN members often use it during HAM, VHF, UHF, or mesh communications.

Q - Quebec

Quartermaster – Person responsible for managing and distributing group supplies.

R - Romeo

Rationing – Managing consumption to extend supplies.

Rally Point – A Rally Point is a pre-agreed location where family, friends, or Charter members meet during or after an emergency.

Radio Net / Net Control – A coordinated group of radio operators with a central person managing communications and message flow.

Rainwater Collection System – Equipment and methods used to capture and store rainwater for household, garden, or survival use. Often combined with filtration or purification for safe drinking water.

Redundancy – Having backup systems to prevent failure.

Resilience – The ability to withstand and recover from disruption.

Repeater – A device that receives a radio signal and retransmits it at higher power or on a different frequency. Repeaters are used in VHF and UHF networks to extend communication range across towns, hills, or valleys.

Rotational Stock – Regularly cycling supplies to maintain freshness and usability.

Root Cellar – An underground or insulated storage area used to keep vegetables, fruits, and preserves cool and dry. Root cellars allow long-term food storage without electricity, ideal for UKSN self-sufficiency planning.

Risk Assessment – A Risk Assessment identifies potential hazards, evaluates likelihood and impact, and helps plan measures to reduce harm.

S - Sierra

Safe Zone / Assembly Point – A pre-agreed location where people gather during or after an emergency to ensure safety and coordination.

Saber Grind – A partial grind that leaves more thickness behind the edge for strength and durability. Common on survival knives and outdoor blades designed for chopping and heavy use.

SAR – The coordinated effort to locate, assist, and evacuate people in distress or danger, often in outdoor, wilderness, or emergency situations.

Scandi Grind – A knife edge with a single, wide bevel that meets the cutting edge directly. Ideal for woodworking, carving, and bushcraft tasks, it is very easy to sharpen in the field, making it a favourite for UKSN members practising outdoor skills.

SHTF (Sh*t Hits The Fan) – A major disruptive event where normal systems fail; can include extended power outages, civil disruption, or severe weather.

Self Sufficiency – Producing food, energy, or resources independently.

Seed Vault / Seed Bank – A secure collection of seeds stored to preserve plant biodiversity and ensure access to fresh, viable crops during food shortages or gardening emergencies.

Situational Awareness – Being aware of surroundings and potential risks.

Stockpile – Stored reserve of essentials.

Supply Cache – A hidden store of essential items such as food, water, or tools, kept for future use.

Shelter System – Complete setup for sleeping and protection outdoors. Shelter-in-Place – Shelter-in-Place means staying indoors during an emergency rather than evacuating. Often used for chemical spills, severe storms, or localised civil incidents.

SITREP – SITREP stands for Situation Report. It is a concise, structured update on the current status of an operation, team, or emergency situation.

Signal Plan / Visual Signals – A set of pre-arranged signs, lights, or flags used to communicate when electronic systems fail.

Signal Propagation – How radio waves travel through the environment. Factors like terrain, buildings, weather, and frequency affect range and reliability of communication. UKSN members consider propagation when planning off-grid networks. Soft Skills – Personal and social skills like teamwork, leadership, communication, and problem-solving during emergencies.

Solar Oven – A cooking device that uses sunlight to heat and cook food. Solar ovens provide off-grid cooking options, saving fuel and electricity during camping, bushcraft, or emergency situations.

Solar Panel – A device that converts sunlight into electricity. Solar panels are used in off-grid setups to power lighting, communication devices, and small appliances, supporting sustainable living and emergency preparedness.

T - Tango

Tarp Shelter – A shelter built using a tarpaulin and cordage. TOC – TOC stands for Tactical Operations Centre. It is a centralised location where emergency response, communication, and coordination are managed during incidents or training exercises.

Thermal Regulation – Managing body temperature through clothing and activity.

Thermal Cooker – An insulated cooking device that continues cooking food using retained heat after being removed from a heat source. It saves fuel and energy while enabling off-grid meal preparation.

TEOTWAWKI (The End Of The World As We Know It) – A transformational event permanently altering society; largely theoretical in UK preparedness.

72 Hour Rule – Households should be self sufficient for at least three days.

U - Uniform

Urban Preparedness – Planning strategies tailored for towns and cities.

Utility Backup – Alternative methods for power, lighting, or cooking during outages.

UHF – UHF stands for Ultra High Frequency, a range of radio frequencies between 300 MHz and 3 GHz.

V - Victor

Vehicle Emergency Kit – Supplies stored in a car for breakdowns or delays.

Vacuum Sealing – Removing air from packaging to preserve food.

VHF – VHF stands for Very High Frequency, a range of radio frequencies between 30 MHz and 300 MHz.

V-Grind – Symmetrical bevels on both sides of the blade forming a sharp “V” shape. Good for general purpose cutting and often found on knives designed for balanced field use.

W - Whiskey

Water Purification – Making water safe through boiling, filtration, or tablets.

Water Filter – A device used to remove impurities, bacteria, and sediment from water, making it safe to drink. Water filters are essential for off-grid living, bushcraft, and emergency preparedness.

Water Resilience – Ensuring reliable access to safe drinking water.

Wild Camping – Camping outside designated sites where permitted by local regulations.

X - X-ray

Xenon Torch – A bright, portable light source for outdoor or emergency use.

Y - Yankee

Yield Planning – Calculating expected food output from gardens or allotments.

Z - Zulu

Zero Waste Preparedness – Maximising resources and minimising waste in planning.

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Prepper Acronym Quick Reference

• AAR – After Action Report

• BOB – Bug Out Bag

• EDC – Everyday Carry

• FAW – First Aid at Work

• GHB – Get Home Bag

• IFAK – Individual First Aid Kit

• INCH – I’m Never Coming Home

• MAG – Mutual Assistance Group

• OPSEC – Operational Security

• SHTF – Stuff Hits The Fan

• TEOTWAWKI – The End Of The World As We Know It

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Continue Building Your UKSN Preparedness Skills

Preparedness is as much about knowledge as it is about planning and skills. By familiarising yourself with these terms, you’ll be better equipped to communicate, coordinate, and respond effectively in emergencies, whether on your own, with your family, or within a UKSN Charter.

We’ve covered a comprehensive list of prepping, bushcraft, and emergency terms, but the world of preparedness is always evolving. If you know of any terms we’ve missed, or have UK-specific definitions or tips, we’d love to hear from you. Help us make this the most complete UKSN Prepper Dictionary available!