Synonyms|580Antonyms|103|Broader|8Narrower|7Related|840

81 entries under unpredictable topic. ×

1
punchy(careless, unstable, unreasonable, changeable)
1
queer(careless, unstable, unreasonable, changeable)
1
quirky(careless, unstable, unreasonable, changeable)
1
temperamental(careless, lively, unstable, unreasonable)
1
ticklish(careless, lively, unstable, unreasonable)
1
unreasonable(careless, unstable, changeable, variable)
1
unsteady(impulsive, unreliable, changeable, erratic)
1
up and down(expression, careless, unstable, unreasonable)
1
vagarious(careless, unstable, unreasonable, changeable)
1
yo-yo(careless, lively, unstable, unreasonable)
0
brilliant(lively, changeable, shiny, twinkling)
0
elusive(impulsive, explosive)
0
ephemeral(impulsive, explosive)
0
explosive
0
fast-talking(lively, changeable)
0
fleeting(impulsive, explosive)
0
flippant(casual, unconcerned, impulsive, nonchalant)
0
fluctuating(lively, changeable)
0
fugacious(impulsive, explosive)
0
fugitive(impulsive, explosive)
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APASmart Define. (2015). effervescent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/effervescent/thesaurus/synonyms
ChicagoSmart Define. 2015. "effervescent thesaurus" https://smartdefine.org/effervescent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, effervescent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/effervescent/thesaurus/synonyms>.
MLASmart Define. "effervescent thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/effervescent/thesaurus/synonyms>