Synonyms

defuse

American

[dee-fyooz] / diˈfyuz /

Or defuze

verb (used with object)

defused, defusing

to remove the fuze from (a bomb, mine, etc.).
to make less dangerous, tense, or embarrassing.

to defuse a potentially ugly situation.

verb (used without object)

defused, defusing

to grow less dangerous; weaken.

defuse British

/ diːˈfjuːz /

verb

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

Trump has since said he is seeking "immediate negotiations" to find a compromise and further defuse the row.

From BBC • Mar. 19, 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

Maybe if Guitar was back in the city now, among familiar surroundings, Milkman could defuse him.

From "Song of Solomon" by Toni Morrison

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023