ass.
Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.
Meaning & usage
Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.
A stupid or inconsiderate person.
That new kid left the cap off the syrup bottle again! What an ass.
He is such an ass for leaving the house door open.
A compositor.
Where this word comes from
From Middle English asse, from Old English assa, back-formed from assen (“she-ass”), from Celtic (compare Old Irish asan, Old Cornish asen), from Latin asinus. Displaced Old English esol, from Proto-West Germanic *asil, also a loanword from the same Latin word. Sense “stupid person” from the animal's reputation for stubbornness, going back to antiquity (compare Latin asinus (“slow-witted person”)).
The buttocks.
The anus.
Sex; a person to have sex with; with vulgar emphasis on their corporeality (their body) over their personhood.
I'm going to go down to the bar and try to get me some ass.
piece of ass
Used in similes to express something bad or unpleasant.
I feel like ass today.
This room smells like ass.
A person; the self; (reflexively) oneself or one's person, chiefly their body.
Get your lazy ass out of bed!
We risk our asses out there every day.
A person; the self; (reflexively) oneself or one's person, chiefly their body. One's personal safety, or figuratively one's job, prospects, etc.
Mess up one more time and it's your ass on the line.
Where this word comes from
Variant of arse; used chiefly in North America. Ultimately from Middle English ars, ers, from Old English ærs, ears, from Proto-West Germanic *ars, from Proto-Germanic *arsaz (compare Old High German ars (German Arsch), Old Norse ars, Old Frisian ers), from Proto-Indo-European *h₁órsos (compare Ancient Greek ὄρρος (órrhos)). Etymological notes Contrary to the widespread belief of this being a euphemism, it arose as a pronunciation spelling (of the older form arse still used in the UK, Australia, New Zealand, etc.) that shows the assimilation of /ɹ/ before coronal consonants (especially /s/), a phenomenon that has been present in nonstandard speech from the Middle English period onwards; this is distinct from the later phenomenon of non-rhoticity as /ɹ/ was lost before it could modify the preceding vowel. Other instances of this phenomenon (some of which retained both spellings with different meanings) include cuss from curse, gash from garsh, bass (“fish”) from barse, bust from burst, passel from parcel; see :Category:English terms with assimilation of historic /ɹ/ for a more extensive list.
Of low quality; bad.
Where this word comes from
Variant of arse; used chiefly in North America. Ultimately from Middle English ars, ers, from Old English ærs, ears, from Proto-West Germanic *ars, from Proto-Germanic *arsaz (compare Old High German ars (German Arsch), Old Norse ars, Old Frisian ers), from Proto-Indo-European *h₁órsos (compare Ancient Greek ὄρρος (órrhos)). Etymological notes Contrary to the widespread belief of this being a euphemism, it arose as a pronunciation spelling (of the older form arse still used in the UK, Australia, New Zealand, etc.) that shows the assimilation of /ɹ/ before coronal consonants (especially /s/), a phenomenon that has been present in nonstandard speech from the Middle English period onwards; this is distinct from the later phenomenon of non-rhoticity as /ɹ/ was lost before it could modify the preceding vowel. Other instances of this phenomenon (some of which retained both spellings with different meanings) include cuss from curse, gash from garsh, bass (“fish”) from barse, bust from burst, passel from parcel; see :Category:English terms with assimilation of historic /ɹ/ for a more extensive list.
Synonym of -ass (used to intensify an adjective).
That was one big ass fish!
That's an expensive ass car!
Where this word comes from
Variant of arse; used chiefly in North America. Ultimately from Middle English ars, ers, from Old English ærs, ears, from Proto-West Germanic *ars, from Proto-Germanic *arsaz (compare Old High German ars (German Arsch), Old Norse ars, Old Frisian ers), from Proto-Indo-European *h₁órsos (compare Ancient Greek ὄρρος (órrhos)). Etymological notes Contrary to the widespread belief of this being a euphemism, it arose as a pronunciation spelling (of the older form arse still used in the UK, Australia, New Zealand, etc.) that shows the assimilation of /ɹ/ before coronal consonants (especially /s/), a phenomenon that has been present in nonstandard speech from the Middle English period onwards; this is distinct from the later phenomenon of non-rhoticity as /ɹ/ was lost before it could modify the preceding vowel. Other instances of this phenomenon (some of which retained both spellings with different meanings) include cuss from curse, gash from garsh, bass (“fish”) from barse, bust from burst, passel from parcel; see :Category:English terms with assimilation of historic /ɹ/ for a more extensive list.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.