102 entries under adjective topic. ×

16
unreliable(false, uncertainty, true, inadequate)
13
questionable(uncertainty, unpredictable, unreliable, fickle)
12
human(characteristic, able, prone, hominid)
11
uncertain(unpredictable, unreliable, fickle, variable)
10
faulty(incorrect, able, working, prone)
10
untrustworthy(uncertainty, unpredictable, unreliable, fickle)
9
imperfect(able, prone)
9
weak(false, inadequate, unpredictable, insufficient)
8
frail(able, prone)
6
careless(able, prone)
6
errant(wrong, able, prone, deviant)
6
error-prone(unreliable, insecure, treacherous, incalculable)
6
inaccurate(false, inadequate, unpredictable, insufficient)
4
fickle(unpredictable, unreliable, variable, insecure)
4
mortal(able, prone, hominid, humanoid)
4
undependable(unpredictable, unreliable, fickle, variable)
4
unsound(false, inadequate, reasoning, unpredictable)
3
debatable
3
disputable
3
errable(able, prone)
11 years ago|5.8k views|share |citing 
APASmart Define. (2015). fallible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fallible/thesaurus/synonyms
ChicagoSmart Define. 2015. "fallible thesaurus" https://smartdefine.org/fallible/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fallible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fallible/thesaurus/synonyms>.
MLASmart Define. "fallible thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fallible/thesaurus/synonyms>