18
half-assed
15
ignorant
11
dull
10
stupid
6
dumb
5
derivative
5
fatuous
5
foolish
4
idiotic
4
incompetent
4
uncreative
4
unimaginative
3
awkward
3
dopey
2
imitative
2
unoriginal
1
infertile
1
brainless
1
dense
1
hackneyed
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APASmart Define. (2015). ingenious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ingenious/thesaurus/antonyms
ChicagoSmart Define. 2015. "ingenious thesaurus" https://smartdefine.org/ingenious/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ingenious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ingenious/thesaurus/antonyms>.
MLASmart Define. "ingenious thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/ingenious/thesaurus/antonyms>