10 entries under idiom topic. ×

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both oars in water(expression, stupid, unreasonable)
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cool as cucumber(expression, careless, unsound)
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having all marbles(expression, stupid, unreasonable)
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in right mind(expression, stupid)
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matter of fact(expression, stupid)
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of sound mind(expression, stupid, unreasonable)
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on the lookout(expression, certain)
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playing with full deck(expression, stupid, unreasonable)
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with all marbles(expression, careless, unsound)
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with eyes peeled(expression, certain)
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APASmart Define. (2015). unwise thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unwise/thesaurus/antonyms
ChicagoSmart Define. 2015. "unwise thesaurus" https://smartdefine.org/unwise/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unwise thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unwise/thesaurus/antonyms>.
MLASmart Define. "unwise thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unwise/thesaurus/antonyms>