1
faultless
1
feasible
1
fine
1
first-class
1
first-rate
1
flawless
1
functional
1
functioning
1
g-rated
1
genteel
1
going
1
goodly
1
grand
1
gratifying
1
great
1
groovy
1
heavenly
1
high-grade
1
high-test
1
impeccable
10 years ago|3.5k views|share |citing 
APASmart Define. (2016). off thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/off/thesaurus/antonyms
ChicagoSmart Define. 2016. "off thesaurus" https://smartdefine.org/off/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, off thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/off/thesaurus/antonyms>.
MLASmart Define. "off thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/off/thesaurus/antonyms>