73 entries under simple topic. ×

9
inane(adjective, dull, silly, foolish)
8
asinine(adjective, dull, silly, foolish)
8
clod(noun, person, fool, innocent)
8
dimwit(noun, person, fool, innocent)
7
ignoramus(noun, fool, innocent, jerk)
7
backward(adjective, dull, slow, silly)
7
bonehead(noun, fool, innocent, jerk)
7
dummy(noun, person, dull, fool)
7
jackass(noun, ability, fool, innocent)
7
slow(adjective, dull, silly, foolish)
6
birdbrain(noun, person, fool, innocent)
6
brainless(adjective, dull, silly, foolish)
6
dull(adjective, slow, silly, foolish)
6
twit(noun, fool, innocent, jerk)
6
witless(adjective, dull, silly, foolish)
5
dim-witted(adjective, dull, foolish, stupid)
5
dumb(adjective, dull, silly, foolish)
5
fathead(noun, fool, innocent, jerk)
5
goose(noun, ability, informal, fool)
5
numskull(noun, fool, innocent, jerk)
11 years ago|21k views|share |citing 
APASmart Define. (2015). imbecile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/imbecile/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecile thesaurus" https://smartdefine.org/imbecile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, imbecile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/imbecile/thesaurus/synonyms>.
MLASmart Define. "imbecile thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/imbecile/thesaurus/synonyms>