4
falsely(adverb, deceitfully, fraudulently, untruthfully)
3
faithlessly(adverb, deceitfully, fraudulently, untruthfully)
3
perfidiously(adverb, deceitfully, fraudulently, untruthfully)
3
treacherously(adverb, deceitfully, fraudulently, untruthfully)
2
adulterously
2
deceitfully(adverb, fraudulently, untruthfully)
2
traitorously(adverb, deceitfully, fraudulently, untruthfully)
2
unfaithfully
1
basely(adverb, deceitfully, fraudulently, untruthfully)
1
crookedly(adverb, deceitfully, fraudulently, untruthfully)
1
disaffectedly
1
dishonestly(adverb, deceitfully, fraudulently, untruthfully)
1
dishonorably(adverb, deceitfully, fraudulently, untruthfully)
1
dishonourably(adverb, deceitfully, fraudulently, untruthfully)
1
disobediently
1
falseheartedly(adverb, deceitfully, fraudulently, untruthfully)
1
fickly
1
inconstantly
1
insubordinately
1
malevolently(adverb, deceitfully, fraudulently, untruthfully)
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APASmart Define. (2013). disloyally thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/disloyally/thesaurus/synonyms
ChicagoSmart Define. 2013. "disloyally thesaurus" https://smartdefine.org/disloyally/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, disloyally thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/disloyally/thesaurus/synonyms>.
MLASmart Define. "disloyally thesaurus" 17 June 2013. Web. 20 September 2026. <https://smartdefine.org/disloyally/thesaurus/synonyms>