/ Dictionary / Index C chummy: Meaning and Definition of Find definitions for: chum•my Pronunciation: (chum'ē), [key] — -mi•er, -mi•est. friendly; intimate; sociable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chummy (Thesaurus) Chumash chump Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language