- 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
- exhibiting uncommon excellence; superlatively good or fine: rare skill
WordReference Random House Learner's Dictionary of American English © 2026
rare1 /rɛr/USA pronunciation
adj., rar•er, rar•est.
rare2 /rɛr/USA pronunciation adj., rar•er, rar•est.
WordReference Random House Unabridged Dictionary of American English © 2026- very uncommon:a rare disease.
- light;
thin;
having the parts not tightly packed together:The air was rare in the mountains. - unusually great:[before a noun]a rare display of courage.
rare2 /rɛr/USA pronunciation adj., rar•er, rar•est.
- cooked so as to be still red on the inside:rare steak.
rare1
(râr),USA pronunciation adj., rar•er, rar•est.
rare′ness, n.
rare2 (râr),USA pronunciation adj., rar•er, rar•est.
rare′ness, n.
rare3 (râr),USA pronunciation v.i., rared, rar•ing. [Older Use.]
- coming or occurring far apart in time;
unusual;
uncommon:a rare disease; His visits are rare occasions. - thinly distributed over an area;
few and widely separated:Lighthouses are rare on that part of the coast. - having the component parts not closely compacted together;
not dense:rare gases; lightheaded from the rare mountain air. - unusually great:a rare display of courage.
- unusually excellent;
admirable;
fine:She showed rare tact in inviting them.
- Latin rārus loose, wide apart, thin, infrequent
- Middle English 1350–1400
- 1. exceptional, extraordinary, singular. 2. sparse, infrequent. 5. choice, incomparable, inimitable.
- 1. common. 2. frequent. 5. inferior.
rare2 (râr),USA pronunciation adj., rar•er, rar•est.
- (of meat) cooked just slightly:He likes his steak rare.
- variant of earlier rear, Middle English rere, Old English hrēr lightly boiled 1645–55
rare3 (râr),USA pronunciation v.i., rared, rar•ing. [Older Use.]
- Slang Termsrear2 (def. 6).
Collins Concise English Dictionary © HarperCollins Publishers::
rare /rɛə/ adj
rare /rɛə/ adj
- (of meat, esp beef) very lightly cooked
'rare' also found in these entries (note: many are not synonyms or translations):
aberrant
- acarid
- accolade
- albumen
- alit
- amative
- argon
- around
- Aussie
- autarchy
- awoke
- aye-aye
- basset
- Berkshire
- bi-
- bibliopole
- bird
- blackwater fever
- bongo
- bowhead
- bric-a-brac
- capuchin
- Cheddar
- chrysoberyl
- clew
- comestible
- condor
- conduit
- crease
- creese
- crux
- cyma
- Danzig
- denigrate
- devest
- dexterous
- didymium
- doat
- dotterel
- Durham
- earth
- eclipsis
- egis
- essence
- ether
- ferula
- fictive
- foursquare
- frisky
- fylfot