150 entries under changeable topic. ×

1
any way the wind blows(expression, careless, unstable, unreasonable, unpredictable)
1
arbitrary(careless, unstable, unreasonable, irregular, unreliable)
1
blowing hot and cold(expression, idiom, careless, unstable, unreasonable)
1
bubbleheaded(adjective, careless, lively, active, unstable)
1
careless(adjective, easy, loose, unstable, unreasonable)
1
cheating(adjective, false, dishonest, dubious)
1
conjectural(doubtful, vague, hesitant, unsure)
1
double-crossing(adjective, false, dishonest, dubious)
1
doubtful(shaky, vague, uneven, unbalanced)
1
effervescent(careless, lively, unstable, unreasonable, unreliable)
1
empty-headed(adjective, careless, silly, unstable, unreliable)
1
every which way(expression, careless, unstable, unreasonable, unpredictable)
1
featherbrained(adjective, careless, unstable, unreliable)
1
flaky(careless, lively, unstable, unreasonable, unpredictable)
1
hanging by a thread(expression, idiom, doubtful, hesitant)
1
harebrained(adjective, careless, unstable, unreliable)
1
helter-skelter(careless, unstable, unreasonable, unpredictable)
1
humorsome(careless, unstable, unreasonable, unpredictable)
1
iffy(adjective, uncertain, irregular, doubtful, vague)
1
incalculable(irregular, doubtful, vague, hesitant, unreliable)
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APASmart Define. (2016). inconstant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inconstant/thesaurus/synonyms
ChicagoSmart Define. 2016. "inconstant thesaurus" https://smartdefine.org/inconstant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, inconstant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inconstant/thesaurus/synonyms>.
MLASmart Define. "inconstant thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/inconstant/thesaurus/synonyms>