/ Dictionary / Index T time-consuming: Meaning and Definition of Find definitions for: time-con•sum•ing Pronunciation: (tīm'kun-s"ming), [key] — adj. (of an action) requiring or wasting much time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: time-consuming (Thesaurus) time constant time copy Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language