treacherous Meaning, Definition & Usage
adjective satellite dangerously unstable and unpredictable
- treacherous winding roads
- an unreliable trestle
adjective satellite 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
Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.
Loyal father of a treacherous son. Shak.
The treacherous smile, a mask for secret hate. Cowper.
Syn. -- Faithless; perfidious; traitorous; false; insidious; plotting.-- Treach"er*ous*ly, adv. -- Treach"er*ous*ness, n.