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Synonyms

defuse

American  
[dee-fyooz] / diˈfyuz /
Or defuze

verb (used with object)

defused, defusing
  1. to remove the fuze from (a bomb, mine, etc.).

  2. to make less dangerous, tense, or embarrassing.

    to defuse a potentially ugly situation.


verb (used without object)

defused, defusing
  1. to grow less dangerous; weaken.

defuse British  
/ diːˈfjuːz /

verb

  1. to remove the triggering device of (a bomb, etc)

  2. to remove the cause of tension from (a crisis, etc)

"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

Commonly Confused

See diffuse

Other Word Forms

  • defuser noun

Etymology

Origin of defuse

First recorded in 1940–45; de- + fuse 1

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.

Ritchson, according to the source, attempted to defuse the situation after Taylor allegedly dared him to get physical.

From Los Angeles Times • Mar. 23, 2026

If older couples start arguing about money, their tax preparer can try to defuse tensions by looking ahead and conjuring a worst-case scenario.

From MarketWatch • Mar. 5, 2026

One evening in early February, a handful of progressive activists boarded buses outside Jerusalem's Teddy Stadium to document instances of violence and defuse the situation if necessary.

From Barron's • Feb. 12, 2026

Carney on Tuesday contradicted some of Trump’s accusations, and said he spoke with Trump to try to defuse the tension.

From The Wall Street Journal • Feb. 10, 2026

The first thing he had to try to do, the trainer decided, was defuse the horse.

From "Seabiscuit: An American Legend" by Laura Hillenbrand