/ Dictionary / Index C cumbersome: Meaning and Definition of Find definitions for: cum•ber•some Pronunciation: (kum'bur-sum), [key] — adj. burdensome; troublesome. unwieldy; clumsy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cumbersome (Thesaurus) Cumberland Mountains cumbrance Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language