3
witless
2
dense
2
asinine
2
brainless
2
dim
2
doltish
2
dopey
2
empty-headed
2
insensitive
2
mindless
2
senseless
2
simple
2
thick-witted
2
unintelligent
1
absurd
1
addle-brained
1
airheaded
1
attocerebral
1
backward
1
birdbrained
11 years ago|8.5k views|share |citing 
APASmart Define. (2015). gormless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/gormless/thesaurus/synonyms
ChicagoSmart Define. 2015. "gormless thesaurus" https://smartdefine.org/gormless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, gormless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/gormless/thesaurus/synonyms>.
MLASmart Define. "gormless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/gormless/thesaurus/synonyms>