/ Dictionary / Index D downtime: Meaning and Definition of Find definitions for: down•time Pronunciation: (doun'tīm"), [key] — n. a time during a regular working period when an employee is not actively productive. an interval during which a machine is not productive, as during repair, malfunction, maintenance. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: downtime (Thesaurus) downtick down-to-earth Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language