1
immorally(adverb, dishonestly)
1
indirectly
1
insecurely
1
insincerely(adverb, dishonestly)
1
malevolently(adverb, deceitfully, fraudulently, untruthfully)
1
maliciously(adverb, deceitfully, fraudulently, untruthfully)
1
menacingly(adverb, dangerously)
1
misleadingly
1
mutinously(adverb, disobediently)
1
ominously(adverb, dangerously)
1
precariously
1
rebelliously(adverb, disobediently)
1
riskily
1
roguishly(adverb, deceitfully, fraudulently, untruthfully)
1
rottenly
1
seditiously(adverb, disobediently)
1
shakily
1
subversively(adverb, disobediently)
1
threateningly(adverb, dangerously)
1
traitorly
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APASmart Define. (2015). treacherously thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/treacherously/thesaurus/synonyms
ChicagoSmart Define. 2015. "treacherously thesaurus" https://smartdefine.org/treacherously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, treacherously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/treacherously/thesaurus/synonyms>.
MLASmart Define. "treacherously thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/treacherously/thesaurus/synonyms>