10
opponent
7
enemy
6
antagonist
3
renegade(noun, person, follower)
3
apostate(noun, faithful, traitor)
3
betrayer
3
bohemian
2
atheist
2
deserter
1
hater
1
nonadhesive
0
adversary
0
agnostic
0
challenger
0
denier
0
foe
0
abandoner
0
assail
0
back-stabber
0
backstabber
10 years ago|1.5k views|share |citing 
APASmart Define. (2016). adherent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/adherent/thesaurus/antonyms
ChicagoSmart Define. 2016. "adherent thesaurus" https://smartdefine.org/adherent/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, adherent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/adherent/thesaurus/antonyms>.
MLASmart Define. "adherent thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/adherent/thesaurus/antonyms>