72 entries under expression topic. ×

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at variance(adjective, uncertain, irregular, conflicting)
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basket case(anxious, disturbed, fearful, distraught)
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beyond all reason(idiom, silly, foolish, unwise)
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by chance(chance, unplanned, unpremeditated)
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fly ball(unusual, strange, unexpected)
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from left field(idiom, changeable, random)
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full of hot air(idiom, foolish, stupid, senseless)
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full of whims(idiom, caprice)
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in conflict(adjective, uncertain, irregular, conflicting)
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in doubt(doubtful, vague, unsure)
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in motion(idiom, motion)
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long way home(ambiguous, rambling, incidental, circuitous)
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no bargain(loose, unpredictable, unreliable, variable)
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nobody home(unstable, disturbed, unhinged)
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non compos mentis(idiom, unstable, disturbed, unhinged)
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not all there(idiom, unstable, disturbed, unhinged)
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not fixed(uneven, unbalanced, unhinged)
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not planned(unplanned, accidental, inadvertent)
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not true(adjective, unpredictable, fickle, variable)
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not trustworthy(adjective, unpredictable, fickle, variable)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>