66
invalid(adjective, feature, state, correct, condition)
63
faulty(adjective, feature, state, wrong, condition)
61
incorrect(adjective, feature, state, wrong, condition)
53
infirm(adjective, feature, state, condition, situation)
53
void(adjective, feature, state, condition, situation)
52
disabled(adjective, feature, state, condition, situation)
26
irrational(adjective, wrong, reason, false, silly)
25
unreasonable(adjective, wrong, reason, poor, false)
21
absurd(adjective, wrong, wild, strange, silly)
17
fallacious(adjective, correct, wrong, poor, false)
17
unsound(adjective, correct, wrong, false, silly)
15
incongruous(adjective, false, strange, silly, sense)
15
senseless(adjective, wrong, silly, foolish, sense)
15
silly(adjective, wrong, foolish, stupid, crazy)
13
incoherent(adjective, wrong, strange, foolish, stupid)
13
mad(adjective, wrong, false, silly, foolish)
13
disconnected(adjective, separate, foolish, unreasonable, detached)
13
inconsistent(adjective, simple, strange, silly, sense)
12
false(adjective, correct, wrong, poor, sense)
12
confused(adjective, separate, wrong, false, inappropriate)
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APASmart Define. (2015). illogical thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/illogical/thesaurus/synonyms
ChicagoSmart Define. 2015. "illogical thesaurus" https://smartdefine.org/illogical/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, illogical thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/illogical/thesaurus/synonyms>.
MLASmart Define. "illogical thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/illogical/thesaurus/synonyms>