24 entries under adjective topic. ×

4
inoperative
4
nonoperational
3
dormant
1
ineffective
1
useless
1
worthless
0
fruitless
0
egotistic
0
egotistical
0
empty
0
failed
0
feckless
0
futile
0
impossible
0
impotent
0
inadequate
0
incapable
0
incompetent
0
inefficacious
0
inefficient
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APASmart Define. (2015). operational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/operational/thesaurus/antonyms
ChicagoSmart Define. 2015. "operational thesaurus" https://smartdefine.org/operational/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, operational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/operational/thesaurus/antonyms>.
MLASmart Define. "operational thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/operational/thesaurus/antonyms>