'Treacherously' definitions:
Definition of 'treacherously'
(from WordNet)
adverb
In a disloyal and faithless manner; "he behaved treacherously"; "his wife played him false" [syn: faithlessly, traitorously, treacherously, treasonably, false]
Definition of 'Treacherously'
From: GCIDE
- 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 father of a treacherous son. --Shak. [1913 Webster]
- The treacherous smile, a mask for secret hate. --Cowper. [1913 Webster]
- Syn: Faithless; perfidious; traitorous; false; insidious; plotting. [1913 Webster] -- {Treach"er*ous*ly}, adv. -- {Treach"er*ous*ness}, n. [1913 Webster]