16
clumsiness(noun, weakness)
7
inability(noun, weakness)
5
ineptitude
4
clumsy
4
silliness
3
inefficiency
3
failure
3
incompetence
3
ineptness(noun, weakness)
3
lack of skill(expression, idiom)
3
stupidity(noun, weakness)
2
ineffectiveness
2
facileness
2
incapability
2
incapacity(noun, weakness)
1
cumbersomeness
1
fool
1
feebleness
1
fruitlessness
1
futility
10 years ago|1.8k views|share |citing 
APASmart Define. (2016). ingenuity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ingenuity/thesaurus/antonyms
ChicagoSmart Define. 2016. "ingenuity thesaurus" https://smartdefine.org/ingenuity/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ingenuity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ingenuity/thesaurus/antonyms>.
MLASmart Define. "ingenuity thesaurus" 10 March 2016. Web. 21 September 2026. <https://smartdefine.org/ingenuity/thesaurus/antonyms>