Breadcrumb Home > Thesaurus > D Synonyms of downtime Find synonyms for: Noun 1. downtime, time period, period of time, period usage: a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of downtime (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recondite Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language