Synonyms|618Antonyms|185|Broader|16Narrower|29Related|260
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twine
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unbar
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unbend
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unbind
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unbutton
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unchain
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unclasp
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uncompress(verb, open, loose, loosen, trashed)
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uncouple
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understate
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undo
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unfasten
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unfastened
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unfix
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unfixed
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unhitch
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unknot
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unlash
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unlatch
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unleash
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APASmart Define. (2015). tighten thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tighten/thesaurus/antonyms
ChicagoSmart Define. 2015. "tighten thesaurus" https://smartdefine.org/tighten/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, tighten thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tighten/thesaurus/antonyms>.
MLASmart Define. "tighten thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/tighten/thesaurus/antonyms>