Synonyms|427Antonyms|150|Broader|0Narrower|0Related|2k

43 entries under expression topic. ×

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freaked out(silly, foolish, unwise)
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free and easy(idiom, rashness)
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gung ho(adjective, keen, warm, silly)
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light hearted
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mad as a March hare(idiom, silly, foolish, unwise)
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mad as a hatter(idiom, silly, foolish, unwise)
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mentally disabled
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mentally incompetent(adjective, stupid, crazy, insane)
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mentally strange(silly, foolish, unwise)
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nutty as fruitcake(idiom, silly, foolish, unwise)
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of unsound mind(idiom, silly, foolish, unwise)
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off deep end(adjective, idiom, bold, rash)
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out of control(idiom, wild, thoughtless, irresponsible)
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out on limb(adjective, idiom, bold, rash)
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out to lunch(idiom, silly, foolish, unwise)
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playing with fire(wild, thoughtless, daring, deed)
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round the bend(idiom, silly, foolish, unwise)
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screw loose(silly, foolish, unwise)
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under the influence
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very foolish
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HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>