Synonyms|930Antonyms|415|Broader|15Narrower|12Related|3.8k

70 entries under expression topic. ×

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errare est humanum(idiom, error)
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far from certain(idiom, questionable, debatable)
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far out(unreasonable, unlikely, flimsy, unbelievable)
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fly ball(unusual, strange, unexpected)
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hanging by thread(idiom, nervous, insecure, unsure)
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hesitant unconfident(meek, timid, unsure, unassuming)
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in suspense(idiom, uncertainty)
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mentis gratissimus error(idiom, error)
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mostly working(adjective, suspect)
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no bargain(loose, unpredictable, unreliable, variable)
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not convinced
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not dependable(adjective, false, uncertain, dishonest)
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not fixed(uneven, unbalanced, unhinged)
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not in the mood(adjective, idiom, slow, shy)
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not probable(doubtful, improbable)
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not reliable(questionable, unsupported)
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not true(adjective, unpredictable, fickle, variable)
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not trustworthy(adjective, unpredictable, fickle, variable)
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odd abnormal(unusual, strange, unexpected)
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off the wall(idiom, unusual, strange, unexpected)
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ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>