96 entries under changeable topic. ×

1
blowing hot and cold(expression, idiom, lively, unpredictable)
1
bubbleheaded(lively, unpredictable, temperamental, resilient)
1
buoyant(lively, active, unpredictable, resilient)
1
chance(adjective, careless, casual, secondary)
1
conjectural(doubtful, vague, hesitant, unsure)
1
doubtful(unusual, strange, vague, dubious)
1
elastic(lively, unpredictable, temperamental, resilient)
1
expansive(lively, unpredictable, temperamental, resilient)
1
flexible(adjective, fickle, variable, volatile)
1
flip(lively, unpredictable, resilient)
1
fluid(adjective, unstable, unsettled, unpredictable, unreliable)
1
fluky(chance, casual, erratic, random)
1
gay(lively, unpredictable, resilient)
1
hanging by a thread(expression, idiom, doubtful, hesitant)
1
iffy(adjective, unusual, uncertain, unstable, doubtful)
1
incalculable(doubtful, vague, hesitant, unreliable)
1
indeterminate(character, doubtful, vague, hesitant)
1
irrepressible(lively, unpredictable, temperamental, resilient)
1
lighthearted(lively, unpredictable, temperamental, resilient)
1
lively(active, unpredictable, resilient, vaulting)
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APASmart Define. (2016). irregular thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms
ChicagoSmart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, irregular thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>.
MLASmart Define. "irregular thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms>