Synonyms|191Antonyms|65|Broader|0Narrower|0Related|782
2
insane(impractical, half-baked, doomed)
2
loony(impractical, half-baked, doomed)
2
lumpish
2
mindless
2
nonsensical(impractical, half-baked, doomed)
2
retarded(adjective, impulsive, impractical, half-baked, doomed)
2
silly(impulsive, impractical, unintelligent, unaware, half-baked)
2
simple-minded
2
soft
2
thick-witted
2
unintelligent
1
Boeotian
1
abundant
1
asinine
1
batty(impulsive, impractical, half-baked, doomed, unplanned)
1
bird-brained
1
blunderheaded
1
brain-dead
1
bubbleheaded
1
cloddish
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APASmart Define. (2015). boneheaded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/boneheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "boneheaded thesaurus" https://smartdefine.org/boneheaded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, boneheaded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/boneheaded/thesaurus/synonyms>.
MLASmart Define. "boneheaded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/boneheaded/thesaurus/synonyms>