60 entries under noun topic. ×

10
incompetence(weakness, skill, failure, shortcoming)
10
ineptitude(weakness, skill, failure, shortcoming)
9
inability(weakness, skill, failure, lack)
7
inadequacy(weakness, skill, failure, hopelessness)
7
incapability(weakness, skill, failure, shortcoming)
7
incapacity(weakness, skill, failure, shortcoming)
7
inefficiency(weakness, skill, failure, shortcoming)
7
unfitness(weakness, skill, failure, disagreement)
6
incompetency(weakness, failure, hopelessness, inability)
5
disability
5
impropriety
5
incongruity
5
ineptness(weakness, skill, failure, shortcoming)
4
impotence(weakness, skill, failure, shortcoming)
4
unskillfulness(inutility, unskillfulness)
4
uselessness(weakness, hopelessness, inability, helplessness)
3
awkwardness
3
disqualification(weakness, skill, failure, shortcoming)
3
inappropriateness
3
maladjustment
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APASmart Define. (2016). inaptitude thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inaptitude/thesaurus/synonyms
ChicagoSmart Define. 2016. "inaptitude thesaurus" https://smartdefine.org/inaptitude/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, inaptitude thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inaptitude/thesaurus/synonyms>.
MLASmart Define. "inaptitude thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/inaptitude/thesaurus/synonyms>