0
nonlinear
0
nonoperative
0
nonproductive
0
nonsurgical
0
not working(expression, idiom)
0
obsolete
0
off
0
off her guard
0
off his guard
0
off the hook
0
off your guard
0
otiose
0
out-of-date
0
outdated
0
outmoded
0
outworn
0
philosophical
0
planar
0
pointless
0
ponderous
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). functional thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/functional/thesaurus/antonyms
ChicagoSmart Define. 2015. "functional thesaurus" https://smartdefine.org/functional/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, functional thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/functional/thesaurus/antonyms>.
MLASmart Define. "functional thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/functional/thesaurus/antonyms>