122 entries under adjective topic. ×

15
useless(weak, inferior, inadequate, limited)
11
ineffectual(weak, stupid, idle, inadequate)
10
broken(verb, ineffectual)
10
inactive(action, calm, dull, gentle)
10
ineffective(weak, stupid, idle, useless)
10
inefficacious(weak, skill, inferior, inadequate)
10
invalid(void, unsound, worthless, unacceptable)
9
idle(action, calm, dull, weak)
9
unusable(weak, stupid, useless, impractical)
8
void(inferior, inadequate, feeble, useless)
7
bootless(weak, stupid, inferior, inadequate)
7
dormant(calm, dull, gentle, still)
7
futile(weak, stupid, inferior, inadequate)
7
unworkable(weak, stupid, idle, incompetent)
7
vain(weak, stupid, inferior, inadequate)
6
barren(inadequate, limited, feeble, useless)
6
dead(calm, dull, cold, still)
6
defunct(dull, cold, tired, lifeless)
6
fruitless(weak, stupid, inferior, idle)
6
inadequate(limited, feeble, useless, inept)
<12345…7>
10 years ago|9.7k views|share |citing 
APASmart Define. (2016). inoperative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms
ChicagoSmart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, inoperative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>.
MLASmart Define. "inoperative thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms>