Adjective rare has 6 senses
- rare - not widely known; especially valued for its uncommonness; "a rare word"; "rare books"
 Antonym:  common (indirect, via uncommon)
 
- rare - recurring only at long intervals; "a rare appearance"; "total eclipses are rare events"
 Antonym:  frequent (indirect, via infrequent)
 
- rare - not widely distributed; "rare herbs"; "rare patches of gree in the desert"
 Antonym:  abundant (indirect, via scarce)
 
- rare, uncommon - marked by an uncommon quality; especially superlative or extreme of its kind; "what is so rare as a day in June"-J.R.Lowell; "a rare skill"; "an uncommon sense of humor"; "she was kind to an uncommon degree"
 Antonym:  ordinary (indirect, via extraordinary)
 
- rare, rarefied, rarified - having low density; "rare gasses"; "lightheaded from the rarefied mountain air"
 Antonym:  thick (indirect, via thin)
 
- rare - (of meat) cooked a short time; still red inside; "rare roast beef"
 Antonym:  cooked (indirect, via raw)
 
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