1
ditzy(adjective, careless, silly, unsteady, inconstant)
1
double-crossing(adjective, false, dishonest, dubious, fickle)
1
double-dealing(adjective, false, dishonest, dubious, fickle)
1
doubting(adjective, false, dishonest, dubious, untrue)
1
eccentric
1
effervescent(adjective, careless, unstable, unreasonable, unpredictable)
1
empty-headed(adjective, careless, silly, unsteady, inconstant)
1
ever-evolving
1
every which way(adjective, careless, unstable, unreasonable, unpredictable)
1
fast and loose(expression, idiom)
1
flaky(adjective, careless, unstable, unreasonable, unpredictable)
1
flickery
1
flitting
1
fluky
1
flustered(adjective, upset, careless, silly, uncertain)
1
frivolous(adjective, careless, silly, unsteady, inconstant)
1
heedless(adjective, careless, silly, unsteady, inconstant)
1
helter-skelter(adjective, careless, unstable, unreasonable, unpredictable)
1
humorsome(adjective, careless, unstable, unreasonable, unpredictable)
1
impetuous
11 years ago|9.1k views|share |citing 
APASmart Define. (2015). changeful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/changeful/thesaurus/synonyms
ChicagoSmart Define. 2015. "changeful thesaurus" https://smartdefine.org/changeful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, changeful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/changeful/thesaurus/synonyms>.
MLASmart Define. "changeful thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/changeful/thesaurus/synonyms>