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Synonyms

detonate

American  
[det-n-eyt] / ˈdɛt nˌeɪt /

verb (used without object)

detonated, detonating
  1. to explode with suddenness and violence.


verb (used with object)

detonated, detonating
  1. to cause (something explosive) to explode.

detonate British  
/ ˈdɛtəˌneɪt /

verb

  1. to cause (a bomb, mine, etc) to explode or (of a bomb, mine, etc) to explode; set off or be set off

"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

Etymology

Origin of detonate

1720–30; < Latin dētonātus thundered forth (past participle of dētonāre ), equivalent to dē- de- + ton ( āre ) to thunder + -ātus -ate 1

Explanation

Boom! To detonate is to explode or cause something to explode. If a bad guy lights the fuse of a stick of dynamite, run before it detonates! In war, there is a lot of detonating, which is when something violently explodes, like bombs or grenades. When someone steps on a landmine, it detonates. The detonating of nuclear bombs devastated Hiroshima and Nagasaki at the end of World War II. Also, to detonate is to set off a bomb. Pushing a button, flicking a switch, or lighting a fuse could detonate a bomb. Either way, to detonate is to blow up.

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Vocabulary lists containing detonate

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.

“Oil spikes don’t cause recessions alone — they detonate existing fragilities,” the Rapidan team said.

From MarketWatch • May 22, 2026

The leaked Internal Affairs report said there was a mistaken “universal belief” within the bomb squad that the containment vessel could safely detonate up to 40 pounds of explosive materials.

From Los Angeles Times • Apr. 27, 2026

According to the leaked file reviewed by The Times, the LAPD’s internal investigators found Hogg made a “gross underestimation” of the explosive weight of the fireworks that police intended to detonate.

From Los Angeles Times • Apr. 27, 2026

If “One of Us” is an entertaining family saga of privilege and comeuppance, it is also a consummate novel of suspense in which revelations detonate with lethal accuracy.

From The Wall Street Journal • Feb. 13, 2026

Is it possible for a human head to detonate?

From "Blended" by Sharon M. Draper

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