Synonyms|379Antonyms|131|Broader|0Narrower|0Related|30
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thoughtless(adjective, clear, careless)
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throwaway(adjective, informal)
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troubled(adjective, unreserved, noisy)
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uncareful(adjective, clear, careless)
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unclasp(verb, refuse, loose)
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unclose(verb, open, continue)
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undone(adjective, lively, indefinite)
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unfasten(verb, refuse, loose)
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unfinished(adjective, lively, indefinite)
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unfixed(adjective, lively, indefinite)
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unfulfilled(adjective, lively, indefinite)
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unfussy(adjective, informal)
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unguarded(adjective, insecure, unprotected)
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unlock(verb, refuse, loose)
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unloose(verb, refuse, loose)
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unperfected(adjective, lively, indefinite)
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unplug(verb, open, continue)
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unprotected(adjective, insecure)
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unquiet(adjective, broken)
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unreserved(adjective, noisy)
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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>