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treacherously
UK
/ˈtrɛtʃ.ər.əs.li/
US
/ˈtrɛtʃ.ər.əs.li/
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treacherously
adverb
UK
/ˈtrɛtʃ.ər.əs.li/
US
/ˈtrɛtʃ.ər.əs.li/
предательски
He treacherously betrayed his friends.
Он предательски предал своих друзей.
Synonyms
deceitfully
disloyally
unfaithfully
betrayingly
insidiously
Definitions
treacherously
adverb
In a manner that is dangerously unstable or unpredictable.
The path was treacherously icy, making it difficult to walk without slipping.
In a way that involves betrayal or deception.
He treacherously revealed his friend's secret to the entire group.
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