15 entries under slow topic. ×

14
thick(adjective, stupid)
11
blockheaded(adjective, simple, stupid, impulsive)
11
thickheaded(adjective, simple, stupid)
9
stupid(adjective, simple, silly, unintelligent)
7
doltish(adjective, simple, stupid)
7
obtuse(adjective, simple, stupid)
6
dim-witted(adjective, stupid)
6
slow-witted(adjective, stupid)
5
dumb(adjective, simple, stupid, impulsive)
5
moronic(adjective, silly, stupid, impulsive)
4
dopey(adjective, stupid)
3
brainless(adjective, simple, silly, stupid)
3
insensitive
1
ignorant(stupid, impulsive, impractical, half-baked)
1
numbskulled
11 years ago|6.9k views|share |citing 
APASmart Define. (2015). boneheaded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/boneheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "boneheaded thesaurus" https://smartdefine.org/boneheaded/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, boneheaded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/boneheaded/thesaurus/synonyms>.
MLASmart Define. "boneheaded thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/boneheaded/thesaurus/synonyms>