treacherous: Meaning and Definition of
treach•er•ous
Pronunciation: (trech'ur-us), [key] — adj.
- characterized by faithlessness or readiness to betray trust; traitorous.
- deceptive, untrustworthy, or unreliable.
- unstable or insecure, as footing.
- dangerous; hazardous: a treacherous climb.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.