'Treacherous' definitions:

Definition of 'treacherous'

(from WordNet)
adjective
Dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle" [syn: treacherous, unreliable]
adjective
Tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans; "Punic faith"; "the perfidious Judas"; "the fiercest and most treacherous of foes"; "treacherous intrigues" [syn: punic, perfidious, treacherous]

Definition of 'Treacherous'

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]

Words containing 'Treacherous'