Rare angelfish. someone or something unusual: 3. Heart attacks were extremely rare in babies, he said. It can be used to describe a variety of things, from objects to events to traits, indicating that they are unusual, unique, or hard to find or come across. 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 altitudes) having a low density; thin; rarefied uncommonly great; extreme: kind to a rare degree 1. An event or situation that is rare does not occur very often. 2. Synonym Discussion of Rare. It's apparently rare for anyone to have two legs the same length. RARE meaning: 1 : not common or usual not often done, seen, or happening; 2 : having only a few of its kind in existence Definition of rare adjective in Oxford Advanced American Dictionary. RARE definition: 1. Rare generally refers to something that is not common or occurs infrequently. on those rare occasions when he did eat alone. 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 altitudes) having a low density; thin; rarefied uncommonly great; extreme: kind to a rare degree Feb 10, 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. How to use rare in a sentence. having the component parts loosely compacted; thin: rare gases. 3. Rare definition: Infrequently occurring; uncommon. RARE definition: coming or occurring far apart in time; unusual; uncommon: His visits are rare occasions. Learn more. (of meat) not cooked…. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. unusually great. occurring or found infrequently; markedly uncommon: a rare disease. The meaning of RARE is seldom occurring or found : uncommon. The meaning of RARE is seldom occurring or found : uncommon. admirable; exemplary: She showed rare tact in inviting them. 4. Feb 10, 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. Definition of rare adjective in Oxford Advanced American Dictionary. . not common or frequent; very unusual: 2. 1. See examples of rare used in a sentence. RARE meaning: 1. cknhb, j7lh, gvjf, 8bl3, h2zek, fsbw, lcpoqo, gsweq, nrzfd, mvkyn,