Synonyms for Rare:

adj.

different (adjective)
unusual.
few (adjective)
few, few and far between.
infrequent (adjective)
occasional, uncommon, sporadic, odd, unusual, infrequent, sparse, isolated.
irregular (adjective)
exceptional.
not fully cooked (adjective)
red, underdone, bloody.
precious, excellent (adjective)
matchless, fine, superlative, select.
unusual (adjective)
peculiar, unique, unusual, singular, atypical, uncommon, novel, extraordinary, exceptional.
wispy (adjective)
fine, tenuous, gossamer, ethereal, wispy, subtle.

n.

cooked, Deviled, Curried, deep-fried, al dente, Breaded, cold, battered, au naturel. airless, underdone, bloody, atmosphere, current, Breathable, airborne, red, airy, blast, airflow, dense, air. like gold dust, sought-after, towering, at a premium, hoped-for, longed-for, outstanding, better, awesome, remarkable, preeminent, STANDOUT, out of sight, magnificent. tighten. choice (noun)
matchless, excellent, superlative, select.
rare (noun)
rarefied, thin, scarce, rarified, uncommon, extraordinary, raw, infrequent.
thin (noun)
light.

Other synonyms:

out of sight, seldom, rarely, few, STANDOUT, raw. preeminent, awesome, towering, rarity. outstanding. magnificent. little. costly
expensive.
first class
excellent.
undone
underdone.

Usage examples for rare

  1. Stay you behind this bush and I will soon get some rare sport out of him. – Robin Hood by J. Walker McSpadden
  2. She had not accepted the position quietly, and, a rare thing with her, had treated him to rather a stormy scene. – The Triumph of Hilary Blachland by Bertram Mitford
  3. As soon as we were outside we opened our minds to each other, and said what we thought of this rare meeting, which, however, we did not make public. – The Memoirs of Louis XIV., Volume 9 And His Court and of The Regency by Duc de Saint-Simon