122 entries under adjective topic. ×

6
inoperable(tired, impractical, hopeless, lost)
6
non-functioning
6
sterile(tired, over, lost, finished)
6
unavailing(weak, stupid, inferior, idle)
6
worthless(weak, stupid, inferior, inadequate)
5
nugatory(inferior, inadequate, limited, feeble)
4
dud
4
duff
4
malfunctioning
4
null(inferior, inadequate, limited, feeble)
4
null and void(expression, idiom, inferior, inadequate)
4
off(slight, remote, inactive, outside)
4
out of commission(expression, idiom, dull, weak)
4
unfit(weak, skill, inept, powerless)
4
unfruitful(inferior, inadequate, limited, feeble)
4
unproductive(weak, stupid, idle, inadequate)
3
abeyant(dull, idle, sluggish, lazy)
3
crippled
3
inanimate(still, lifeless, inactive, alive)
3
inert(action, calm, gentle, sluggish)
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APASmart Define. (2016). inoperative thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms
ChicagoSmart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, inoperative thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>.
MLASmart Define. "inoperative thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms>