AskDefine | Define diffuse

Dictionary Definition

diffuse adj
1 spread out; not concentrated in one place; "a large diffuse organization"
2 lacking conciseness; "a diffuse historical novel"


1 move outward; "The soldiers fanned out" [syn: spread, spread out, fan out]
2 spread or diffuse through; "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building" [syn: permeate, pervade, penetrate, interpenetrate, imbue]
3 cause to become widely known; "spread information"; "circulate a rumor"; "broadcast the news" [syn: circulate, circularize, circularise, distribute, disseminate, propagate, broadcast, spread, disperse, pass around]

User Contributed Dictionary


Etymology 1

, from diffusus, from diffundere (dis- + fundere)


    • AHD: dĭfyo͞oz'
    • IPA: /dɪˈfjuːz/ (UK), /dɪˈfjuz/ (US)
    • SAMPA: /dIˈfju:z/ (UK), /dIˈfjuz/ (US)
  • Rhymes: -uːs



  1. To spread over or through as in air, water, or other matter, especially by fluid motion or passive means.
  2. To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means.
    Food coloring diffuses in water.
    The riot diffused quite suddenly.
Derived terms
To spread over or through as in air, water, or other matter, especially by fluid motion or passive means
To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means

Etymology 2



    • AHD: dĭfyo͞os'
    • IPA: /dɪˈfjuːs/ (UK), /dɪˈfjus/ (US)
    • SAMPA: /dIˈfju:s/ (UK), /dIˈfjus/ (US)
  • Rhymes: -uːz


  1. Everywhere or throughout everything; not focused or concentrated.
    Such a diffuse effort is unlikely to produce good results.
Derived terms
not concentrated

Related terms





Extensive Definition

Diffusion may refer to:
  • Diffusion, the spontaneous spreading of something such as particles, heat, light, or momentum
In the physical sciences:
In music:
In other areas:
diffuse in Spanish: Difusión (desambiguación)
diffuse in French: Diffusion
diffuse in Italian: Diffusione
diffuse in Slovak: Difúzia

Synonyms, Antonyms and Related Words

abounding, abundant, affluent, all-sufficing, ambagious, ample, aplenty, assign, atomize, bend, bespread, bestrew, bias, bottomless, bounteous, bountiful, break into pieces, break to pieces, break up, broad, broadcast, carry over, casual, circuitous, circulate, circumfuse, circumlocutory, communicate, consign, copious, crash, crawl with, creep with, crook, crunch, crush, curve, cut to pieces, deal out, deflect, deflected, deflective, deliver, demolish, deport, desultory, deviate, diffract, diffracted, diffractive, diffuse, diffused, diffusive, digressive, discrete, discursive, disjoin, dispel, dispense, disperse, dispersed, dispread, disrupt, disseminate, disseminated, dissipate, dissipated, distort, distorted, distribute, distributed, diverge, divert, dogleg, ease, ease off, effuse, effusive, emanate, epidemic, exhaustless, expand, expel, export, extend, extend throughout, extended, extensive, extradite, extravagant, exuberant, fan out, far-embracing, far-extending, far-flung, far-flying, far-going, far-ranging, far-reaching, fat, fecund, fertile, fill, fission, flectional, flexed, flush, formless, fragment, free, full, galore, generous, grind, gushing, gushy, hairpin, hand forward, hand on, hand over, honeycomb, imbue, impart, import, in plenty, in quantity, indiscriminate, inexhaustible, inflective, infuse, interlard, intersow, intersperse, intersprinkle, issue, large-scale, lasting, lavish, lax, leave no void, leaven, lengthy, let go, let up, liberal, long, long-drawn-out, long-winded, loose, loosen, loquacious, luxuriant, make mincemeat of, make over, many, maximal, meandering, metastasize, metathesize, mince, much, numerous, occupy, opulent, overflowing, overrun, overscatter, oversow, overspread, overswarm, pass, pass on, pass over, pass the buck, penetrate, perfuse, periphrastic, permeate, pervade, plenitudinous, plenteous, plentiful, plenty, pleonastic, prevailing, prevalent, prodigal, productive, profuse, profusive, prolific, prolix, prolonged, propagate, protracted, publish, pull, pulverize, radiate, rambling, rampant, random, ray, redundant, refract, refracted, refractile, refractive, refrangible, reiterative, relax, relay, repetitive, replete, retail, rich, rife, riotous, roundabout, run through, running over, scatter, scattered, shatter, shiver, skew, skewed, slack, slack off, slacken, smash, smash up, sow, sow broadcast, sparse, splay, splinter, sporadic, spread, spread out, squash, squish, straggling, straggly, strew, strewn, strown, suffuse, superabundant, swarm with, sweeping, switch, tautologous, teem with, teeming, transfer, transfer property, transfuse, translate, translocate, transmit, transplace, transplant, transpose, turn, turn over, twist, unglue, unleash, unstick, utter, verbose, warp, wealthy, well-found, well-furnished, well-provided, well-stocked, wholesale, wide, wide-extended, wide-extending, wide-ranging, wide-reaching, wide-stretching, widespread, windy, wordy, zigzag
Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1