88 entries under stupid topic. ×

2
unprofitable(weak, idle, inadequate, feeble)
2
unreasoning(careless, unthinking, obtuse, unperceptive)
2
unthinking(careless, thoughtless, insensitive, obtuse)
2
unusable(adjective, weak, useless, impractical)
2
witless(careless, foolish, rash, risky)
2
worthless(weak, idle, inadequate, feeble)
1
blunderous(simple, awkward, clumsy, bulky)
1
bovine(adjective, careless, unthinking, obtuse)
1
careless(incompetent, insensitive, unthinking, obtuse)
1
counterproductive(weak, idle, useless, incompetent)
1
empty-headed(careless, unthinking, obtuse, unperceptive)
1
flighty(careless, unthinking, obtuse, unperceptive)
1
fruitless(weak, idle, inadequate, feeble)
1
gawkish(simple, awkward, clumsy, bulky)
1
good-for-nothing(weak, idle, useless, incompetent)
1
impracticable(weak, idle, useless, incompetent)
1
no good(expression, weak, idle, inadequate)
1
nonfunctional(weak, idle, useless, incompetent)
1
of no use(expression, idiom, weak, idle)
1
profitless(weak, idle, useless, incompetent)
10 years ago|26k views|share |citing 
APASmart Define. (2016). inept thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inept/thesaurus/synonyms
ChicagoSmart Define. 2016. "inept thesaurus" https://smartdefine.org/inept/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inept thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inept/thesaurus/synonyms>.
MLASmart Define. "inept thesaurus" 5 March 2016. Web. 29 September 2026. <https://smartdefine.org/inept/thesaurus/synonyms>