Synonyms|61Antonyms|0|Broader|8Narrower|0Related|17
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fasten
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fix
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make tighter
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moderate
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perfect
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prune
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put the finishing touches to(expression, idiom, sharpen)
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reinforces
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restrain
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restrict
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round off(expression, sharpen)
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secure
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sinew
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systematize(verb, put)
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tauten
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temper
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tighten down
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trammel
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tune
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warm
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APASmart Define. (2013). tighten up thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tighten_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "tighten up thesaurus" https://smartdefine.org/tighten_up/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, tighten up thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tighten_up/thesaurus/synonyms>.
MLASmart Define. "tighten up thesaurus" 19 May 2013. Web. 25 September 2026. <https://smartdefine.org/tighten_up/thesaurus/synonyms>