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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:

The scene from 1981's Raiders of the Lost Ark shows Indiana Jones - played by Harrison Ford - outrunning a giant boulder triggered by a booby trap, before leaping to safety.

From BBC Dec. 31, 2025

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

Sweep her car for booby trap and swaddle her in bubble wrap, She's staying alive, stayin' alive.

From Washington Post Jan. 10, 2019

Possibly the cup of tea was Dudley’s idea of a clever booby trap.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

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

“Carol of the Bells” is memorably used in Home Alone as Macaulay Culkin booby-traps his home.

From Slate Dec. 19, 2019

The Tibetans intended to dispute the passage of the Brahmaputra, and there were other strong positions where the path skirted the Kyi-chu for miles beneath overhanging rocks, which were carefully prepared for booby-traps.

From The Unveiling of Lhasa by Candler, Edmund

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

Or how my tongue would tie in the initial attempts, stiffen so, struggle like an animal booby-trapped and dying inside my head.

From "Native Speaker" by Chang-rae Lee

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

Isaura’s true love tries to defend her, but without knowledge of booby-trapping, he fails, and Leoncio drags her back to his mansion.

From "The Queen of Water" by Laura Resau

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