307 entries under adjective topic. ×

70
illogical(feature, state, correct, condition)
70
faulty(feature, state, bad, wrong)
68
infirm(feature, state, mean, weak)
66
void(feature, state, condition, situation)
65
disabled(feature, state, condition, situation)
64
incorrect(feature, state, wrong, fake)
20
unsound(bad, weak, correct, wrong)
19
fallacious(correct, wrong, fake, false)
18
sick(mean, weak, healthy, feeble)
18
wrong(bad, fake, false, counterfeit)
17
false(correct, wrong, fake, counterfeit)
15
erroneous(wrong, fake, false, counterfeit)
14
bad(bad, false, ill, inadequate)
14
expired(feature, state, condition, situation)
11
spurious(correct, wrong, fake, false)
10
mad(foolish, crazy, unreasonable, ill)
10
null(void, unsound, worthless, unacceptable)
10
sickly(weak, ill, sick, feeble)
9
defective(mean, bad, wrong, false)
9
inoperative(void, unsound, worthless, unacceptable)
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APASmart Define. (2016). invalid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms
ChicagoSmart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, invalid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>.
MLASmart Define. "invalid thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms>