I. di-ˈfyüs adjective
Etymology: Middle English, from Latin diffusus, past participle of diffundere to spread out, from dis- + fundere to pour — more at found
Date: 15th century
1. : being at once verbose and ill-organized
2. : not concentrated or localized
diffuse sclerosis
diffuse lighting
Synonyms: see wordy
• dif·fuse·ly adverb
• dif·fuse·ness noun
II. di-ˈfyüz verb
( dif·fused ; dif·fus·ing )
Etymology: Middle English diffused, past participle, from Latin diffusus, past participle
Date: 14th century
transitive verb
1.
a. : to pour out and permit or cause to spread freely
b. : extend , scatter
c. : to spread thinly or wastefully
2. : to subject to diffusion ; especially : to break up and distribute (incident light) by reflection
intransitive verb
1. : to spread out or become transmitted especially by contact
2. : to undergo diffusion
• dif·fus·ible di-ˈfyü-zə-bəl adjective