defuse /diːˈfjuːz/verb 2/dɪˈfjuːz/ verb 1forms 3 verb2 •To remove the fuse from (e.g. a bomb).Shepard: I wear a lot of hats, Mr. Vargas. Some days I shut down criminals. Some days I defuse nukes. Some days I like to enjoy private vices. You understand me? — 2008 •(figurative) To make less dangerous, tense, or hostile.The diplomats are trying to defuse the escalating crisis. defuse /dɪˈfjuːz/ verb1 •(no longer used) To disorder; to make shapeless.If but as well I other accents borrow / That can my speech defuse, — 1603 formsdefused · defusing · defuses