Synonyms|981Antonyms|364|Broader|17Narrower|8Related|1.8k

14 entries under idiom topic. ×

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cool as cucumber(expression, careless, unsound)
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done on purpose(expression, careless)
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ear to the ground(expression, careless)
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heart in right place(expression, mean, hard, severe)
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in right mind
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in the picture(expression, indifferent)
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know all the answers(expression, quiet, careless)
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know ins and outs(expression, quiet, careless)
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matter of fact(expression, unimportant)
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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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on your guard
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with all marbles(expression, careless, unsound)
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with eyes peeled(expression, quiet, indifferent)
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APASmart Define. (2016). thoughtless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thoughtless/thesaurus/antonyms
ChicagoSmart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thoughtless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/antonyms>.
MLASmart Define. "thoughtless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/thoughtless/thesaurus/antonyms>