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Dictionary

Words, grammatical forms and meanings linked to the ontology.

treacherously en · ADV

Pronunciation

Etymology

Etymology tree English treacherous Middle English -ly English -ly English treacherously From treacherous + -ly.

Meanings

  1. In a treacherous manner.
    • The former spy behaved treacherously.

Forms

SpellingFeaturesLabelsSource
more treacherously Degree=Cmp lexicographic
most treacherously Degree=Sup lexicographic

Antonyms

faithfully · loyally

Relateds

treacherous · betrayer

Synonyms

perfidiously · falsely · disloyally · ratlike · unfaithfully · traitorly · dastardly · traitorwise · dastardly · Judasly · proditoriously · traitorwise · false · treacherously · traitorously · traitorly

Translations (8)

pt traiçoeiramente (in a treacherous manner) · sv förrädiskt (in a treacherous manner) · fr traîtreusement (in a treacherous manner) · fi kavalasti (in a treacherous manner) · fi petollisesti (in a treacherous manner) · it proditoriamente (in a treacherous manner) · es traidoramente (in a treacherous manner) · it subdolamente (in a treacherous manner)