Treacherously

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  treacherously
       adv : in a disloyal and faithless manner; "he behaved
             treacherously"; "his wife played him false" [syn: {faithlessly},
              {traitorously}, {treasonably}, {false}]