6
plastic(adjective, fickle, elastic)
6
short-lived(adjective, transient)
6
temporary(adjective, transient)
6
transient(adjective, transient)
6
transitory(adjective, transient)
6
unpredictable(adjective, upset, careless, uncertain, anxious)
6
varying(adjective, unstable, unsettled, unpredictable, unreliable)
6
versatile(adjective, unstable, unsettled, changeable, variable)
5
adjustable(adjective, changeable)
5
changing(adjective, upset, uncertain, anxious, worried)
5
convertible(adjective, unstable, unsettled, changeable, variable)
5
flighty(adjective, careless, unstable, unreasonable, unsettled)
5
flitting(adjective, transient)
5
impulsive(adjective, careless, unstable, unreasonable, unsettled)
5
malleable(adjective, fickle, elastic)
5
modifiable(adjective, changeable, fickle)
5
movable(adjective, unstable, unsettled, changeable, uneven)
5
passing(adjective, transient)
5
slippery(adjective, weak, uncertain, sensitive, doubtful)
5
temporal(adjective, transient)
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APASmart Define. (2016). mutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mutable/thesaurus/synonyms
ChicagoSmart Define. 2016. "mutable thesaurus" https://smartdefine.org/mutable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, mutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mutable/thesaurus/synonyms>.
MLASmart Define. "mutable thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/mutable/thesaurus/synonyms>