What does defuze mean?
To defuze is to render something harmless — literally, to remove or disable the fuse of an explosive so that it cannot go off, and figuratively, to calm a tense or volatile situation before it erupts. The word pairs the prefix de-, meaning removal, with fuse, the mechanism that triggers detonation. In everyday use, the figurative sense dominates: people speak of defuzing arguments, crises, rivalries, and political standpoints, always with the implication that danger has been quietly dismantled rather than confronted head-on. It should be noted that defuze is a variant spelling of the far more common defuse, which remains the accepted form in dictionaries and formal writing; the z-spelling persists chiefly alongside the military term fuze. Whether literal or metaphorical, defuzing suggests skill, care, and steady nerves — the qualities one associates with the expert who cuts the right wire at the right moment.
verbTo remove the fuse from an explosive device, rendering it safe; by extension, to make a dangerous, tense, or difficult situation less hostile or more manageable.
- To remove or disconnect the fuse of an explosive device so that it cannot detonate.
- (Figurative) To reduce the danger, tension, or hostility of a situation.
"Negotiators worked through the night to defuze the standoff before tempers flared again."
"A specialist was flown in to defuze the unexploded shell found on the construction site."
"Her quick apology helped defuze an argument that could easily have ruined the evening."
The 'fuze' in defuze isn't just quirky spelling — it's the older military word for a bomb's detonating mechanism, kept alive in this variant form.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of defuze
The word derives from de- plus fuse, with fuse ultimately tracing back through French fusée (from Latin fusus, meaning spindle, whose shape early explosive tubes resembled). The variant spelling defuze reflects fuze, the traditional British military spelling for the detonating device of a shell or bomb, which survives in modern ordnance terminology. The figurative sense — calming a tense situation — developed naturally from the literal disarmament sense and is now the dominant usage.
How defuze is actually used
"Defuze" is a nonstandard variant spelling; in formal and most everyday writing, "defuse" is strongly preferred. The variant appears occasionally in journalistic or military contexts where "fuze" (the traditional technical spelling for an explosive device's firing mechanism) is also used.
Easily confused with defuze
"Defuse" is the standard spelling; "defuze" is a rare variant spelling of the same word, sometimes used stylistically, and carries identical meaning.