7
unpatriotic(adjective, characteristic, treachery, disloyalty)
7
deceitful(adjective, characteristic, dishonest, treachery, deceit)
7
double-crossing(adjective, characteristic, treachery, disloyalty)
6
disaffected(adjective, characteristic, treachery, disloyalty)
6
dishonest(adjective, characteristic, treachery, deceit, delusion)
5
apostate(adjective, characteristic, treachery, disloyalty)
4
artificial(adjective, characteristic, treachery, disloyalty)
4
treasonous(adjective, characteristic, treachery, disloyalty)
4
alienated(adjective, characteristic, treachery, disloyalty)
4
capricious(adjective, characteristic, treachery, disloyalty)
4
estranged(adjective, characteristic, treachery, disloyalty)
4
snaky(adjective, characteristic, treachery, disloyalty)
4
wormlike(adjective, characteristic, treachery, disloyalty)
3
not good(expression, evil, wickedness, badness)
3
mutinous(adjective, characteristic, riot, rebellion)
3
rebellious(adjective, characteristic, riot, rebellion)
3
crafty(adjective, characteristic, deceit, delusion)
3
deceptive(adjective, characteristic, deceit, delusion)
3
devious(adjective, characteristic, deceit, delusion)
3
disingenuous(adjective, characteristic, deceit, delusion)
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APASmart Define. (2016). loyal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/loyal/thesaurus/antonyms
ChicagoSmart Define. 2016. "loyal thesaurus" https://smartdefine.org/loyal/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, loyal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/loyal/thesaurus/antonyms>.
MLASmart Define. "loyal thesaurus" 14 March 2016. Web. 24 September 2026. <https://smartdefine.org/loyal/thesaurus/antonyms>