0
malfunctioning
-1
supreme(adjective, principal, greatest)
-1
cross
-1
down
-1
down pat
-1
down the stairs
-1
inoperable
-1
inoperative
-1
kaput
-1
nonattendance
-1
nonfunctional
-1
nonfunctioning
-1
nonoperating
-1
pre-eminent(adjective, supreme)
-1
top drawer
11 years ago|349 views|share |citing 
APASmart Define. (2015). serving thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/serving/thesaurus/antonyms
ChicagoSmart Define. 2015. "serving thesaurus" https://smartdefine.org/serving/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, serving thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/serving/thesaurus/antonyms>.
MLASmart Define. "serving thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/serving/thesaurus/antonyms>