7 entries under idiom topic. ×

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coal and ice(expression, insignificant, unimportant, trivial)
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hard as nails(expression, weak, delicate, small)
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meat and potatoes(expression, useless)
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name of the game(expression, insignificant, unimportant, trivial)
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on the job(expression, dull, careless, indifferent)
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on the lookout(expression, dull, careless, indifferent)
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quick on the uptake(expression, dull, weak)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sluggish/thesaurus/antonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sluggish/thesaurus/antonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/sluggish/thesaurus/antonyms>