/ Thesaurus / T Synonyms of time interval Find synonyms for: Noun1. time interval, interval, measure, quantity, amountusage: a definite length of time marked off by two instantsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language