treacherously
English
Etymology
treacherous + -ly
Adverb
treacherously (comparative more treacherously, superlative most treacherously)
- In a treacherous manner.
- The former spy behaved treacherously.
Translations
in a treacherous manner
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treacherous + -ly
treacherously (comparative more treacherously, superlative most treacherously)
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