booby trap
C1Formal (military/legal), Informal (metaphorical)
Definition
Meaning
A hidden device designed to harm or surprise an unsuspecting person who disturbs it.
Any hidden danger, trick, or situation designed to catch someone off guard, often used metaphorically in non-military contexts.
Linguistics
Semantic Notes
The term originates from the word 'booby' (a foolish person), implying a trap for the unwary. It carries serious connotations in military/security contexts but can be humorous or lighthearted in metaphorical use (e.g., a practical joke).
Dialectal Variation
British vs American Usage
Differences
No significant difference in core meaning. Spelling is consistent. Both varieties use the term in military and metaphorical contexts.
Connotations
Equally serious in security contexts. Slightly more common in British English for describing childish pranks (e.g., a bucket of water balanced on a door).
Frequency
Comparable frequency in both varieties, with spikes in news related to conflict zones or crime.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] booby-trapped [Object] (with [Device])[Object] was booby-trappeda booby trap consisting of [Device]to set/place a booby trapVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “It was a booby-trap question.”
Usage
Context Usage
Business
Metaphorically: 'The contract had a booby-trap clause that would penalise us for late delivery.'
Academic
Rare, except in historical or political studies discussing warfare tactics.
Everyday
Used for pranks or describing hidden household dangers: 'My brother booby-trapped my bedroom door with a cup of flour.'
Technical
Standard term in military, law enforcement, and bomb disposal contexts for any concealed explosive or harmful device triggered by disturbance.
Examples
By Part of Speech
verb
British English
- The retreating forces booby-trapped the abandoned vehicles.
- He booby-trapped the biscuit tin to catch the office thief.
American English
- The insurgents booby-trapped the road with IEDs.
- The kids booby-trapped their dad's chair with whoopee cushions.
adverb
British English
- Not commonly used as an adverb.
American English
- Not commonly used as an adverb.
adjective
British English
- They discovered a booby-trap device in the cellar.
- It was a classic booby-trap scenario.
American English
- The soldiers were trained to identify booby-trap wires.
- He fell for a booby-trap question during the interview.
Examples
By CEFR Level
- The children made a simple booby trap with a bucket of water.
- Police warned that the stolen car might be booby-trapped.
- Clearing booby traps from former conflict zones is dangerous and meticulous work.
- The legal document was riddled with booby-trap clauses that could invalidate the entire agreement under specific conditions.
Learning
Memory Aids
Mnemonic
Think of a 'booby' (a silly bird or foolish person) unexpectedly stepping on a TRAP. A trap for the unwary.
Conceptual Metaphor
DANGER IS HIDDEN / DECEPTION IS A PHYSICAL TRAP
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque 'боби-трап'. Use 'ловушка' for general trap, 'мина-ловушка' or 'сюрприз' for explosive/hidden military trap, 'капкан' for mechanical trap.
Common Mistakes
- Spelling: 'boobytrap' (often accepted but hyphenated or two words is standard). Using it for any trap (e.g., mouse trap) rather than one specifically designed to catch the unsuspecting.
Practice
Quiz
In which context is 'booby trap' LEAST likely to be used?
FAQ
Frequently Asked Questions
No, the term itself is not offensive. However, it refers to a serious and dangerous device, so it should be used with appropriate gravity in relevant contexts.
Yes, the verb form is 'to booby-trap' (often hyphenated). It means to install or set such a device.
A landmine is a specific type of explosive weapon buried in the ground. A booby trap is a broader category; it can be a landmine, but also any other concealed device (e.g., a grenade rigged to a door, a tripwire) designed to be triggered by an unsuspecting victim.
Yes, especially in informal language, business, and law. It describes any hidden problem, trick clause, or unforeseen difficulty designed to catch someone out.
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