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  • booby trap
    booby trap
    noun
    a hidden bomb or mine so placed that it will be set off by an unsuspecting person through such means as moving an apparently harmless object.
  • booby-trap
    booby-trap
    verb (used with object)
    to set with or as if with a booby trap; attach a booby trap to or in.
Synonyms

booby trap

1 American  

noun

  1. a hidden bomb or mine so placed that it will be set off by an unsuspecting person through such means as moving an apparently harmless object.

  2. any hidden trap set for an unsuspecting person.


booby-trap 2 American  
[boo-bee-trap] / ˈbu biˌtræp /

verb (used with object)

booby-traps, present (3rd person singular) booby-trapped, past participle, past booby-trapping present participle
  1. to set with or as if with a booby trap; attach a booby trap to or in.


booby trap British  

noun

  1. a hidden explosive device primed in such a way as to be set off by an unsuspecting victim

  2. a trap for an unsuspecting person, esp one intended as a practical joke, such as an object balanced above a door to fall on the person who opens it

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to set a booby trap in or on (a building or object) or for (a person)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of booby trap1

First recorded in 1840–50

Origin of booby-trap2

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

With a chilly austerity worthy of Stanley Kubrick or Michael Haneke, Glazer turns a static shot into a booby trap and a daily activity into an indictment.

From Los Angeles Times Dec. 14, 2023

The soldiers passed a Russian military identification document, fluttering in the wind on the lawn of a house, but did not touch it to check the name, fearing a booby trap.

From Seattle Times Mar. 29, 2022

And he must navigate a legislative jungle that his opponents are trying to booby trap with amendments that could wreck his path to Brexit.

From Reuters Oct. 18, 2019

As star pitchers go through their first few spring training games, we watch as if a bomb squad is defusing a booby trap.

From Washington Post Mar. 12, 2014

“Good afternoon,” he says, glancing around with intense brown eyes, as though he’s surveying the room in case he needs materials to build a last-minute booby trap.

From "The Queen of Water" by Laura Resau

Mr. Pompeo’s other measures have a similar booby-trap quality.

From Washington Post Jan. 12, 2021

Levi had triggered a booby-trap planted in the wall.

From Los Angeles Times Sep. 24, 2016

After police sealed off the area and ensured there was no booby-trap, the vehicle was towed away for forensic examination.

From BBC Nov. 17, 2015

The U.S. calls this the “the booby-trap bond” – a $3 billion issue due to Russian bond holders Dec. 2015.

From Forbes Dec. 12, 2014

Even if he has only a match and a can of Coca-Cola and a stick of mint gum, he can use them to booby-trap the bad guys and escape.

From "The Queen of Water" by Laura Resau

Brigadier General Iddo Mizrahi, chief of Israel's military engineers, said troops were in a first stage of opening access routes in Gaza but were encountering mines and booby-traps.

From Reuters Nov. 2, 2023

Frank falls into one of Bill's booby-traps after years of Bill living a safe — and totally solitary — life.

From Salon Jan. 30, 2023

Knowing how to spot booby-traps that could shatter their lives again is a necessary skill, she said.

From Seattle Times Apr. 29, 2022

A: If you insist on getting the car, you need to close the deal with Dad and drive away before he realizes what you’re up to and booby-traps the car.

From Slate Sep. 22, 2015

He found himself worrying again about the truck drivers who'd warned his men of booby-traps in the supplies they delivered.

From Talents, Incorporated by Leinster, Murray

The best weapon in the “Jackass’” arsenal isn’t the taser, the beehive or the booby-trapped latrine.

From Los Angeles Times Jun. 26, 2026

But these nefarious prompts can also be hiding out on the internet as AI agents built into browsers encounter online data of dubious quality or origin, and potentially booby-trapped with hidden commands from hackers.

From Barron's Nov. 11, 2025

Standing ovations on Broadway are so common you might imagine the seats have been booby-trapped to eject patrons as the curtain calls begin.

From The Wall Street Journal Oct. 17, 2025

Calling Milley "unflinching in the face of danger," Biden said he "once ran across a bridge booby-trapped with mines to stop two battle tanks evacuating wounded troops from driving across it."

From Reuters Sep. 29, 2023

My guess is the pyramid is booby-trapped in some manner.

From "The Hunger Games" by Suzanne Collins

I say “may” because “No Bears,” ingeniously constructed so as to continually reveal new layers of suspense and surprise, delights in withholding information and booby-trapping our assumptions.

From Los Angeles Times Jan. 11, 2023

Like Macaulay Culkin in Home Alone, he spends the rest of the night booby-trapping his fortress.

From The Guardian Aug. 5, 2011

Contemplating all this, the cynical wondered if Earl wasn't booby-trapping himself.

From Time Magazine Archive

Often, by the time the nearest army unit hears about an attack, the Viet Cong have already fled, and they make pursuit more difficult by booby-trapping the jungle trails behind them.

From Time Magazine Archive

“You bet I wouldn’t. I don’t understand why a smart girl like you goes around booby-trapping herself. You could have stayed here indefinitely, you know. They’re both crazy about you.”

From "The Great Gilly Hopkins" by Katherine Paterson

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