treacherously
1treacherously — adverb In a treacherous manner. The former spy behaved treacherously …
2treacherously — treacherous ► ADJECTIVE 1) guilty of or involving betrayal. 2) having hidden or unpredictable dangers: treacherous currents. DERIVATIVES treacherously adverb treacherousness noun treachery noun. ORIGIN Old French trecherous, from trechier to… …
3treacherously — adverb in a disloyal and faithless manner he behaved treacherously his wife played him false • Syn: ↑faithlessly, ↑traitorously, ↑treasonably, ↑false • Derived from adjective: ↑t …
4Treacherously — Treacherous Treach er*ous, a. [See {Treacher}.] Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless. [1913 Webster] Loyal… …
5treacherously — adverb see treacherous …
6treacherously — See treacherous. * * * …
7treacherously — (Roget s IV) modif. Syn. unscrupulously, deceitfully, faithlessly; see falsely …
8treacherously — adv. in a treacherous manner, traitorously, disloyally, insidiously …
9treacherously — treach·er·ous·ly …
10treacherously — See: treacherous …