/ Dictionary / Index C crabby: Meaning and Definition of Find definitions for: crab•by Pronunciation: (krab'ē), [key] — -bi•er, -bi•est. grouchy; ill-natured; irritable; peevish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crabby (Thesaurus) crabbing crab cactus Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language