diffusive

D2I1F4F4U1S1I1V4E1
UK/dɪˈfjuːsɪv/

adjective

That is spread or dispersed across a wide area or among a large number of people.

UncommonFirst used 17th c.Scrabble 19

Meanings

adjectivediffusive (comparative more diffusive, superlative most diffusive)

comparative more diffusive · superlative most diffusive

  1. That is spread or dispersed across a wide area or among a large number of people.First known use 17th c.
  2. Involving or employing many words; expansive, discursive; (in negative sense) long-winded.First known use 17th c.

    I can never forget the delight with which that diffusive and ingenious orator was heard by all sides of the House, and even by those whose existence he proscribed.

    1791, Edward Gibbon, Memoirs of My Life, Penguin, published 1990, page 182
  3. That diffuses something; disseminating.First known use 17th c.
  4. sciencesPertaining to diffusion.First known use 19th c.

Synonyms & antonyms

adjectivespreading by diffusion

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latindiffundere“diffuse, disperse”
  2. Latindiffusivus“tending to spread; expansive”
  3. Englishdiffusive

From post-classical Latin diffusivus (“tending to spread; expansive”) (13th century), from participle stem of Latin diffundere (“diffuse, disperse”).

Full word history & related roots →
Cite this entry
APA

diffusive. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/diffusive

MLA

“diffusive.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diffusive. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “diffusive,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/diffusive.

Source: diffusive on Wiktionary, CC BY-SA 4.0.