Defuse means "to make less harmful, potent, or tense"; the word has another, helpfully literal, meaning, which is "to remove the fuse from." Diffuse means "not concentrated or localized"; it comes from the …

diffuse adjective (SPREAD) spread out and not directed in one place: a diffuse light

Diffuse means to spread out. Candlelight can diffuse a soft glow throughout a room. A diffuse idea is one that spreads from person to person, and a diffuse speech is scattered and unclear.

DIFFUSE definition: to pour out and spread, as a fluid. See examples of diffuse used in a sentence.

If you describe something as diffuse, you mean that it is vague and difficult to understand or explain. His writing is diffuse and it is difficult to make out what he is trying to say.

1. Widely spread or scattered; not concentrated: Diffuse light is often hard to read by. 2. Wordy or unclear: a diffuse description. See Synonyms at wordy.

to cause or allow to flow out and spread freely. The child watched with fascination as the water diffused the drops of paint. The wind diffused the smoke from the campfire. to soften or break up (light), as by …

to (cause to) spread or scatter widely: [no object] The light diffused into the room. [~ + object] Diffuse the light in your room to avoid glare. Physics to spread out freely without restriction;

diffuse, v. meanings, etymology, pronunciation and more in the Oxford English Dictionary

The heat from the radiator diffuses throughout the room. The heat was diffused throughout the room. Their culture gradually diffused [= spread] westward. The photographer uses a screen to diffuse the …