Pronunciation: (râr),[key] —adj.,rar•er, rar•est. 1. coming or occurring far apart in time; unusual; uncommon: a rare disease; His visits are rare occasions. 2. thinly distributed over an area; few and widely separated: Lighthouses are rare on that part of the coast. 3. having the component parts not closely compacted together; not dense: rare gases; lightheaded from the rare mountain air. 4. unusually great: a rare display of courage. 5. unusually excellent; admirable; fine: She showed rare tact in inviting them.
Pronunciation: (râr),[key] —adj.,rar•er, rar•est. (of meat) cooked just slightly: He likes his steak rare.