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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.

The former President informed the Clinton Administration that he intended to take up a prior offer from the North Koreans to visit and try to defuse the situation.

From The Wall Street Journal • Apr. 3, 2026

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 these megacap IPOs don’t come to market, it would defuse Grantham’s bearish prediction — and might even be bullish.

From MarketWatch • Feb. 17, 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

Their levels of cortisol actually went down, as if they were unconsciously trying to defuse their own anger.

From "Outliers" by Malcolm Gladwell