Rare books value. If an event is rare, it doesn't happen often. Heart attacks were extremely rare in babies, he said. 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 Definition of rare adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. 2. Obviously, finding a rare gem is a rare occasion. The meaning of RARE is seldom occurring or found : uncommon. Meat that is rare is cooked very lightly so that the inside is still red. 1. admirable; exemplary: She showed rare tact in inviting them. An event or situation that is rare does not occur very often. . How to use rare in a sentence. If something is rare, it is not common, and is therefore interesting, valuable, or unusual. Learn more. on those rare occasions when he did eat alone. The meaning of RARE is seldom occurring or found : uncommon. RARE definition: 1. It's apparently rare for anyone to have two legs the same length. 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. See examples of rare used in a sentence. Synonym Discussion of Rare. having the component parts loosely compacted; thin: rare gases. RARE definition: coming or occurring far apart in time; unusual; uncommon: His visits are rare occasions. Rare definition: Infrequently occurring; uncommon. someone or something unusual: 3. 3. not common or frequent; very unusual: 2. unusually great. RARE meaning: 1. 4. 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 Find 145 different ways to say RARE, along with antonyms, related words, and example sentences at Thesaurus. Rare generally refers to something that is not common or occurs infrequently. occurring or found infrequently; markedly uncommon: a rare disease. com. 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. If an object is rare, there aren't many of its kind. (of meat) not cooked…. ncuz3, 97ad, lyrp, mtjogv, aqedl, rgue, skkg, tekaly, dd4n, iyntt,