0
heavier
0
idiot
0
idiotic
0
ignorant
0
impenetrable
0
inane
0
inept
0
inert
0
jackass
0
leaden
0
loggerhead
0
muggins
0
nincompoop
0
ninny
0
nit
0
nitwit
0
noddy
0
noodle
0
numskull
0
obtuse
13 years ago|1.8k views|share |citing 
APASmart Define. (2013). dumber thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dumber/thesaurus/synonyms
ChicagoSmart Define. 2013. "dumber thesaurus" https://smartdefine.org/dumber/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, dumber thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dumber/thesaurus/synonyms>.
MLASmart Define. "dumber thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/dumber/thesaurus/synonyms>