4
unbarred(verb, adjective, clear, free, detached)
3
ajar(adjective, clear, free, accessible, wide)
3
broken(verb, adjective, loose, loosened)
3
lax(adjective, clear, separate, free, easy)
3
slack(adjective, clear, separate, free, easy)
3
unchained
3
undecided
3
undefended
3
undetermined
3
unlatched(adjective, clear, separate, free, easy)
3
unsecured(adjective, clear, separate, free, easy)
2
agape(adjective, clear, free, accessible, wide)
2
assailable
2
candid
2
disengaged
2
disjoined(verb, adjective, loosened)
2
floating(adjective, clear, separate, free, easy)
2
gaping(adjective, clear, free, accessible, wide)
2
loosed
2
overt
11 years ago|8.8k views|share |citing 
APASmart Define. (2015). unfastened thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unfastened/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfastened thesaurus" https://smartdefine.org/unfastened/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unfastened thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unfastened/thesaurus/synonyms>.
MLASmart Define. "unfastened thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/unfastened/thesaurus/synonyms>