/ Dictionary / Index R rarely: Meaning and Definition of Find definitions for: rare•ly Pronunciation: (râr'lē), [key] — adv. on rare occasions; infrequently; seldom: I'm rarely late for appointments. exceptionally; in an unusual degree. unusually or remarkably well; excellent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rarely (Thesaurus) rarefy rareripe Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language