Synonyms|379Antonyms|131|Broader|0Narrower|0Related|30
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unsafe(adjective, insecure, unprotected)
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unseal(verb, open, continue)
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unsettle(verb, stop, keep)
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unstop(verb, open, continue)
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unthoughtful(adjective, insecure, tactful, solemn, unprotected)
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unused(adjective, lively, indefinite)
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variable(adjective, broken)
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vetoed(adjective, lively, indefinite, done, go-getting)
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vulnerable(adjective, insecure, unprotected)
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willing(adjective, clear, careless)
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without ceremony(expression, adjective, informal)
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APASmart Define. (2013). buttoned up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/buttoned_up/thesaurus/antonyms
ChicagoSmart Define. 2013. "buttoned up thesaurus" https://smartdefine.org/buttoned_up/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2013, buttoned up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/buttoned_up/thesaurus/antonyms>.
MLASmart Define. "buttoned up thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/buttoned_up/thesaurus/antonyms>