1. (adj)rare not widely known; especially valued for its uncommonness "a rare word"; "rare books"
2. (adj)rare recurring only at long intervals
"a rare appearance"; "total eclipses are rare events"
3. (adj)rare not widely distributed
"rare herbs"; "rare patches of green in the desert"
4. (adj)rare, rarefied, rarified having low density "rare gasses"; "lightheaded from the rarefied mountain air"
5. (adj)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"
6. (adj)rare (of meat) cooked a short time; still red inside "rare roast beef"
Definition of 'rare'
