defuse

verb

de·​fuse (ˌ)dē-ˈfyüz How to pronounce defuse (audio)
defused; defusing; defuses

transitive verb

1
: to remove the fuse from (a mine, a bomb. etc.)
2
: to make less harmful, potent, or tense
defuse a crisis

Did you know?

defuse or diffuse?

Many people find it difficult to remember the difference between defuse and diffuse, and when faced with the need for one of these words simply grab whichever one first comes to mind. But it needn’t be this way: the meanings of these two are quite a bit different, and there is a simple way to differentiate between them. Defuse is formed by adding the prefix de- to the word fuse; you are removing the fuse (either literally or figuratively) when you defuse a situation, much as defanging something entails removing the fangs. Diffuse, when used as a verb, tends to carry meanings such as “spread” or “scatter.” Additionally, diffuse is the only one which may be found used as an adjective.

Examples of defuse in a Sentence

Skilled negotiators helped defuse the crisis.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Taken aback, O’Leary attempted to defuse the situation. Amber Corrine, VIBE.com, 20 Mar. 2025 Israel's resumption of airstrikes on Gaza stamped the end of its ceasefire with Hamas and added to tension in the Middle East, which U.S. President Donald Trump had pledged to defuse. Dan Perry, Newsweek, 18 Mar. 2025 Those fears compelled both leaders to defuse the crisis. Paul Avey, Foreign Affairs, 6 Mar. 2025 One way to defuse tensions would be for Panama to cancel its leases with the company, although that could lead to legal challenges and steep costs. Robin Wright, The New Yorker, 3 Feb. 2025 See All Example Sentences for defuse

Word History

First Known Use

1943, in the meaning defined at sense 1

Time Traveler
The first known use of defuse was in 1943

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Cite this Entry

“Defuse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defuse. Accessed 24 Mar. 2025.

More from Merriam-Webster on defuse

Last Updated: - Updated example sentences
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