88 entries under stupid topic. ×

35
incompetent(adjective, weak, ability, poor)
21
clumsy(adjective, dull, weak, simple, sharp)
17
ineffective(adjective, weak, poor, idle)
13
ineffectual(adjective, weak, poor, idle)
8
foolish(adjective, careless, rash, risky)
8
weak(adjective, poor, idle, inadequate)
7
inane(poor, careless, foolish, rash)
7
silly(adjective, careless, foolish, rash)
7
unwise(adjective, foolish, rash, risky)
6
feckless(adjective, weak, idle, inadequate)
6
hopeless(adjective, weak, poor, idle)
6
thoughtless(adjective, sharp, rough, careless, foolish)
5
futile(weak, idle, inadequate, feeble)
5
irrational(adjective, careless, unthinking, obtuse)
5
senseless(adjective, careless, foolish, rash)
4
ill-considered(adjective, careless, foolish, rash)
4
imprudent(adjective, sharp, rough, careless, foolish)
4
injudicious(adjective, sharp, rough, careless, foolish)
4
klutzy(adjective, simple, slang, ability)
4
loony(careless, unthinking, obtuse, unperceptive)
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APASmart Define. (2016). inept thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inept/thesaurus/synonyms
ChicagoSmart Define. 2016. "inept thesaurus" https://smartdefine.org/inept/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, inept thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inept/thesaurus/synonyms>.
MLASmart Define. "inept thesaurus" 5 March 2016. Web. 27 September 2026. <https://smartdefine.org/inept/thesaurus/synonyms>