/ Thesaurus / T Synonyms of tightening Find synonyms for: Noun1. tightening, alteration, modification, adjustmentusage: the act of making something tighter; "the tightening of economic controls"Verb1. tighten, fasten, change, alter, modifyusage: make tight or tighter; "Tighten the wire"2. tighten, changeusage: become tight or tighter; "The rope tightened"3. stiffen, tighten, tighten up, constrain, restrict, restrain, trammel, limit, bound, confine, throttleusage: restrict; "Tighten the rules"; "stiffen the regulations"4. reduce, tighten, restrict, restrain, trammel, limit, bound, confine, throttleusage: narrow or limit; "reduce the influx of foreigners"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language