1
insane
1
jerky
1
kooky
1
lamebrain
1
loony
1
lunatic
1
mad
1
mindless
1
muttonheaded
1
nitwitted
1
nonsensical
1
nutty
1
obtuse
1
opaque
1
pinheaded
1
preposterous
1
sappy
1
screwball
1
senseless
1
silly
11 years ago|6.4k views|share |citing 
APASmart Define. (2015). lunkheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lunkheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunkheaded thesaurus" https://smartdefine.org/lunkheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, lunkheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lunkheaded/thesaurus/synonyms>.
MLASmart Define. "lunkheaded thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/lunkheaded/thesaurus/synonyms>