Synonyms|391Antonyms|160|Broader|4Narrower|7Related|1k
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sufficient
0
suitable
0
telling
0
thorough
0
thrifty
0
tidy(adjective, sound, competent)
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treasure
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tuned in(expression, awkward, clumsy)
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unpreventable
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unsentimental
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unstinted
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utile
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valid
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versed
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veteran
0
virtuoso
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well-oiled
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well-versed
0
winner
0
working
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APASmart Define. (2015). inefficient thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inefficient/thesaurus/antonyms
ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inefficient/thesaurus/antonyms>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 25 September 2026. <https://smartdefine.org/inefficient/thesaurus/antonyms>