/ Thesaurus / F Synonyms of fastened Find synonyms for: Verb1. fasten, fix, secure, attachusage: cause to be firmly attached; "fasten the lock onto the door"; "she fixed her gaze on the man"2. fasten, attachusage: become fixed or fastened; "This dress fastens in the back"3. fasten, attachusage: attach to; "They fastened various nicknames to each other"4. tighten, fasten, change, alter, modifyusage: make tight or tighter; "Tighten the wire"Adjective1. fastened (vs. unfastened), pegged-downusage: firmly closed or secured; "found the gate fastened"; "a fastened seatbelt"2. buttoned (vs. unbuttoned), fastened, botonee, botonnee, button-downusage: furnished or closed with buttons or something buttonlike3. tied (vs. untied), fastened, knottedusage: fastened with strings or cords; "a neatly tied bundle"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language