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Definition of defuse

defuse

/diːˈfjuːz/
de · fuse

Adjective:defusable
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Past Simple:defused
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Past Participle:defused
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Present Participle:defusing
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defuse Lexical Profile

defuse Game Scores & Validity

• verb

1

To reduce the tension, hostility, or danger in a difficult or volatile situation.

Example

"The mediator used humor and active listening to defuse the heated argument between the two board members."


2

To remove the fuse from an explosive device in order to prevent it from detonating.

Example

"Specially trained technicians were called to the construction site to safely defuse the unexploded historic ordnance."

Synonyms
View all synonyms for defuse
Antonyms
View all antonyms for defuse

Word Nuance & Usage

Often confused with 'diffuse', which means to spread out over a wide area; 'defuse' specifically means to remove a fuse or reduce tension in a conflict.

• Rhymes for defuse

Word Origin & Etymology

Coined in the mid-20th century (specifically during World War II) by combining the privative prefix 'de-' with 'fuse' (from Italian 'fuso' and Latin 'fusus', meaning 'spindle', referring to the spindle-shaped tube holding gunpowder).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Defuse. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/defuse
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