98 entries under variable topic. ×

5
unsettled(adjective, uncertain, unstable, irregular, vague)
4
careless(adjective, foolish, thoughtless, unpredictable, unreliable)
4
changeful(adjective, unstable, irregular, unsettled, unpredictable)
4
false(adjective, dishonest, deceitful, unpredictable, unreliable)
4
shifting(adjective, unstable, irregular, unsettled, unpredictable)
4
unfaithful(adjective, false, dishonest, deceitful, unpredictable)
4
unfixed(adjective, unstable, unsettled, vague, unpredictable)
4
untrue(adjective, false, dishonest, deceitful, unpredictable)
3
loose(adjective, informal, careless, foolish, immoral)
2
bum(adjective, unpredictable, unreliable, rotten)
2
deceitful(adjective, false, dishonest, unpredictable, unreliable)
2
disreputable(adjective, dubious, unpredictable, unreliable, fickle)
2
flickering(adjective, irregular, changeable)
2
indeterminate(adjective, uncertain, nervous, doubtful, vague)
2
no-good(adjective, unpredictable, unreliable, irresponsible)
2
permutable(adjective, unstable, unsettled, fickle)
2
protean(adjective, unstable, unsettled)
2
restless(unstable, unsettled)
2
spasmodic(unstable, unsettled)
2
vagrant(unstable, unsettled)
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APASmart Define. (2016). undependable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undependable/thesaurus/synonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undependable/thesaurus/synonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/undependable/thesaurus/synonyms>