3
flexible(adjective, changeable, volatile, changing, fluctuating)
3
hopeless(adjective, unreliable, insecure, treacherous, incalculable)
3
indefinite(adjective, loose, unpredictable, unreliable, variable)
3
instantaneous(adjective, transient)
3
modifiable(adjective, changeable)
3
perishable
3
plastic(adjective, changeableness)
3
pregnable(adjective, unreliable, insecure, treacherous, incalculable)
3
rambling(adjective, motiveless)
3
rootless(adjective, transient)
3
short-term(adjective, transient)
3
spastic(adjective, motiveless)
3
suss(adjective, unreliable, insecure, treacherous, incalculable)
3
touch-and-go
3
transformable(adjective, unstable, unsettled, changeable, variable)
3
troublesome(adjective, unreliable, insecure, treacherous, incalculable)
3
truthless(adjective, unreliable, insecure, treacherous, incalculable)
3
two-timing(adjective, false, cold, hot, dishonest)
3
unserviceable(adjective, unreliable, insecure, treacherous, incalculable)
3
vagrant(unstable, unsettled, variable, erratic, pointless)
10 years ago|26k views|share |citing 
APASmart Define. (2016). fickle thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fickle/thesaurus/synonyms
ChicagoSmart Define. 2016. "fickle thesaurus" https://smartdefine.org/fickle/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fickle thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fickle/thesaurus/synonyms>.
MLASmart Define. "fickle thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/fickle/thesaurus/synonyms>