-osity

-o·si·ty
UK/ˈɒ.sɪ.ti/US/ˈɑ.sə.ti/US/-ɾi/

suffix

Forming nouns, usually abstract, and usually from adjectives in -ous or -ose.

“epicosity – “epicness””

Similar
-ness-hood-ship-th-itas → -ity-itude-ia-itia
OriginMiddle English -ouste ← Old French -ouseté ← Latin -ōsitās →
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Meanings

suffix
  1. Forming nouns, usually abstract, and usually from adjectives in -ous or -ose.
  2. colloquialForming nouns from other adjectives for humorous effect.

    epicosity – “epicness”

Synonyms & antonyms

Similar
-ness-hood-ship-th-itas → -ity-itude-ia-itia-ability-ibility-icity
Also see
-hood-ness

Origin

  1. Latin-ōsitās
  2. Old French-ouseté
  3. Middle English-ouste
  4. English-osity

From Middle English -ouste, from Old French -ouseté, from Latin -ōsitās; later modified to the current form. It is equivalent to -ose or -ous + -ity.

More words from Middle English, Old French, Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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