150 entries under silly topic. ×

1
derailed(adjective, wrong, wild, foolish)
1
doltish(weak, simple, careless, foolish)
1
double talk(expression, adjective, stupid, insignificant)
1
enthusiastic(adjective, moving, keen, rough, warm)
1
feebleminded(weak, simple, foolish, thoughtless)
1
flipped(adjective, wild, foolish, hot)
1
flipped out(foolish, hot, crazy, mad)
1
freaked out(expression, adjective, wild, foolish)
1
half-witted(weak, simple, foolish, thoughtless)
1
inappropriate(foolish, stupid, absurd, unwise)
1
incautious(adjective, weak, simple, careless)
1
jerky(weak, simple, foolish, thoughtless)
1
keen(adjective, warm, foolish, crazy)
1
mad as a hatter(expression, idiom, wrong, wild)
1
nerdy(weak, simple, foolish, thoughtless)
1
nutty as fruitcake(expression, idiom, wrong, wild)
1
off the wall(expression, adjective, idiom, unusual, strange)
1
out to lunch(expression, adjective, idiom, foolish)
1
psychopathic(wrong, wild, foolish, stupid)
1
schizophrenic(wrong, wild, foolish, stupid)
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APASmart Define. (2015). irrational thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/irrational/thesaurus/synonyms
ChicagoSmart Define. 2015. "irrational thesaurus" https://smartdefine.org/irrational/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, irrational thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/irrational/thesaurus/synonyms>.
MLASmart Define. "irrational thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/irrational/thesaurus/synonyms>