19 entries under prone topic. ×

16
unreliable(adjective, false, uncertainty, true, inadequate)
13
questionable(adjective, uncertainty, unpredictable, unreliable, fickle)
12
human(adjective, characteristic, able, hominid)
11
uncertain(adjective, unpredictable, unreliable, fickle, variable)
10
faulty(adjective, incorrect, able, working)
10
untrustworthy(adjective, uncertainty, unpredictable, unreliable, fickle)
9
imperfect(adjective, able)
9
weak(adjective, false, inadequate, unpredictable, insufficient)
8
frail(adjective, able)
6
careless(adjective, able)
6
errant(adjective, wrong, able, deviant)
4
mortal(adjective, able, hominid, humanoid)
3
errable(adjective, able)
3
erring(adjective, able)
3
heedless(adjective, able)
2
deceptive(adjective, weak, unpredictable, fickle, variable)
2
ignorant(adjective, able)
1
in question(expression, adjective, idiom, able)
1
liable(adjective, able)
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APASmart Define. (2015). fallible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fallible/thesaurus/synonyms
ChicagoSmart Define. 2015. "fallible thesaurus" https://smartdefine.org/fallible/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fallible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fallible/thesaurus/synonyms>.
MLASmart Define. "fallible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/fallible/thesaurus/synonyms>