1
thickhead(noun, dullard)
1
thickheaded
1
thickwit
1
twit(simple, prompt, fool, innocent, jerk)
1
unintelligent
1
unmindful
1
unsmart
1
wacky
1
weak-minded
1
witless
1
witling
1
yo-yo(fool, stupid, sap, yoyo, dolt)
0
activist(fanatic, dingbat, ultraist)
0
addlepate
0
babe in the woods
0
bedlamite(fanatic, schizoid, dingbat, ultraist)
0
boeotian
0
breeze(turkey, dunderhead)
0
bruiser(yoyo, dolt, oxen)
0
bubblehead
11 years ago|7.4k views|share |citing 
APASmart Define. (2015). lamebrain thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lamebrain/thesaurus/synonyms
ChicagoSmart Define. 2015. "lamebrain thesaurus" https://smartdefine.org/lamebrain/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lamebrain thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lamebrain/thesaurus/synonyms>.
MLASmart Define. "lamebrain thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/lamebrain/thesaurus/synonyms>