noun

ass

donkey, arse, fool

The farmer used an ass to carry the goods.

The farmer used a donkey to carry the goods.

He fell and landed on his ass.

He fell and landed on his arse.

Don't be such an ass.

Don't be such a fool.

((an)) ass (as a countable noun) a donkey, buttocks, or a fool Don't be such an ass.

Synonyms: (donkey) mule; (buttocks) arse, rear end; (fool) idiot, jerk

From Old English 'assa', from Latin 'asinus' (donkey). The 'buttocks' sense is from the 19th century, possibly a phonetic alteration of 'arse'.

Be careful with context! It has three main meanings: an animal (donkey), a body part (buttocks, vulgar), and an insult (fool, vulgar).

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