62 entries under impractical topic. ×

12
unintelligent(adjective, dull, weak, simple, mind)
11
illogical(adjective, silly, foolish, stupid, insignificant)
11
loony(adjective, weak, simple, knowledge, ability)
10
unreasonable(adjective, weak, simple, silly, foolish)
10
witless(adjective, dull, weak, simple, slow)
9
batty(adjective, wild, silly, foolish, stupid)
7
feeble-minded(adjective, foolish, stupid, impulsive)
7
simple(adjective, dull, weak, slow, silly)
6
slow(adjective, dull, simple, mind, think)
5
balmy(adjective, simple, knowledge, slang, ability)
5
irresponsible(adjective, wrong, wild, strange, silly)
5
meaningless(adjective, dull, simple, slow, silly)
5
pointless(adjective, dull, simple, slow, silly)
4
blockheaded(adjective, foolish, impulsive, half-baked)
4
crackpot(adjective, foolish, half-baked, doomed)
4
harebrained(adjective, weak, simple, knowledge, ability)
4
retarded(adjective, impulsive, half-baked, doomed)
4
unwise(adjective, weak, simple, wild, silly)
3
bizarre(adjective, wild, strange, silly, foolish)
3
boneheaded(adjective, silly, impulsive, unintelligent)
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APASmart Define. (2016). idiotic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/idiotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiotic thesaurus" https://smartdefine.org/idiotic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, idiotic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/idiotic/thesaurus/synonyms>.
MLASmart Define. "idiotic thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/idiotic/thesaurus/synonyms>