2
fallow
2
indolent
2
ineffective
2
ineffectual
2
inoperable
2
kaput
2
lifeless
2
malfunctioning
2
nonfunctional
2
nonfunctioning
2
nonoperating
2
nonoperational
2
nonpractical
2
permanent
2
torpid
2
unattainable
2
unproductive
2
unworkable
1
dull
1
broken
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). working thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/working/thesaurus/antonyms
ChicagoSmart Define. 2015. "working thesaurus" https://smartdefine.org/working/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, working thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/working/thesaurus/antonyms>.
MLASmart Define. "working thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/working/thesaurus/antonyms>