3
cockamamie(adjective, weak, simple, silly, foolish)
3
disordered(adjective, wrong, loose, anxious, crazy)
3
doubtful(adjective, unusual, strange, uneven, unbalanced)
3
dull(adjective, careless, stupid, unthinking, obtuse)
3
eccentric(adjective, keen, warm, unusual, wild)
3
empty-headed(careless, stupid, vague, absurd, unthinking)
3
finite
3
frivolous(adjective, simple, foolish, stupid, crazy)
3
gaga(adjective, insane, distraught, batty)
3
heedless(adjective, careless, wild, bold, thoughtless)
3
ill-judged
3
implausible(adjective, false, strange, crazy, unreasonable)
3
impractical(adjective, wrong, wild, silly, foolish)
3
inattentive(adjective, careless, foolish, stupid, vague)
3
inconsiderate
3
infinite
3
inordinate(adjective, extravagant, excessive)
3
manic(adjective, hot, anxious, disturbed, fearful)
3
muddled(adjective, loose, detached, confused, uneven)
3
myopic
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APASmart Define. (2015). irrational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irrational/thesaurus/synonyms
ChicagoSmart Define. 2015. "irrational thesaurus" https://smartdefine.org/irrational/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, irrational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irrational/thesaurus/synonyms>.
MLASmart Define. "irrational thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/irrational/thesaurus/synonyms>