49 entries under variable topic. ×

16
unreliable(adjective, false, uncertainty, true, inadequate)
13
questionable(adjective, uncertainty, unpredictable, unreliable, fickle)
11
uncertain(adjective, unpredictable, unreliable, fickle)
10
untrustworthy(adjective, uncertainty, unpredictable, unreliable, fickle)
9
weak(adjective, false, inadequate, unpredictable, insufficient)
6
inaccurate(adjective, false, inadequate, unpredictable, insufficient)
4
fickle(adjective, unpredictable, unreliable, insecure)
4
undependable(adjective, unpredictable, unreliable, fickle)
4
unsound(adjective, false, inadequate, reasoning, unpredictable)
2
deceptive(adjective, weak, unpredictable, fickle)
2
dubious(adjective, unpredictable, unreliable, fickle)
2
erroneous(adjective, false, inadequate, unpredictable, insufficient)
2
false(adjective, inadequate, reasoning, unpredictable, insufficient)
2
fly-by-night(adjective, unpredictable, unreliable, fickle)
2
irresponsible(adjective, unpredictable, unreliable, fickle)
2
makeshift(adjective, unpredictable, fickle, undependable)
2
treacherous(adjective, unpredictable, unreliable, fickle)
2
unpredictable(adjective, fickle, undependable, fly-by-night)
2
unsure(adjective, unpredictable, unreliable, fickle)
2
untrue(adjective, unpredictable, fickle, undependable)
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APASmart Define. (2015). fallible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fallible/thesaurus/synonyms
ChicagoSmart Define. 2015. "fallible thesaurus" https://smartdefine.org/fallible/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fallible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fallible/thesaurus/synonyms>.
MLASmart Define. "fallible thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fallible/thesaurus/synonyms>