The meaning of RARE is seldom occurring or found : uncommon. How to use rare in a sentence. Synonym Discussion of Rare.

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RARE definition: coming or occurring far apart in time; unusual; uncommon: His visits are rare occasions. See examples of rare used in a sentence.

1. occurring or found infrequently; markedly uncommon: a rare disease. 2. having the component parts loosely compacted; thin: rare gases. 3. unusually great. 4. admirable; exemplary: She showed rare …

RARE definition: 1. not common or frequent; very unusual: 2. someone or something unusual: 3. (of meat) not cooked…. Learn more.

Definition of rare adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

rare /rɛə/ adj not widely known; not frequently used or experienced; uncommon or unusual: a rare word not widely distributed; not generally occurring: a rare herb (of a gas, esp the atmosphere at high …

Rare definition: Infrequently occurring; uncommon.

Jan 5, 2026 · rare (comparative rarer or more rare, superlative rarest or most rare) (cooking) Particularly of meat, especially beefsteak: cooked very lightly, so the meat is still red.

An event or situation that is rare does not occur very often. ...on those rare occasions when he did eat alone. Heart attacks were extremely rare in babies, he said. It's apparently rare for anyone to have …