1
transposable(adjective, changeable)
1
treacherous(adjective, false, dishonest, dubious, fickle)
1
turning over a new leaf(adjective, changing, mind-blowing, modifying, metamorphic)
1
two-timing(adjective, false, dishonest, dubious, fickle)
1
unaccountable
1
unbelieving(adjective, false, dishonest, dubious, untrue)
1
uncertainly
1
uncontrolled
1
unconverted(adjective, false, dishonest, dubious, fickle)
1
undecided
1
undisciplined
1
unloyal(adjective, false, dishonest, dubious, fickle)
1
unreasonable(adjective, careless, unstable, unpredictable, changeable)
1
unrestrained
1
unsealed
1
unsure
1
untruthful(adjective, false, dishonest, dubious, fickle)
1
up and down(adjective, careless, unstable, unreasonable, unpredictable)
1
vacillant
1
vagarious(adjective, careless, unstable, unreasonable, unpredictable)
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>