perfidious
- adjective (adj)
Meaning: treacherous
Synonyms:
betraying
deceitful
deceptive
double-crossing
double-dealing
faithless
false
insidious
misleading
recreant
shifty
slick
snake in the grass
traitorous
two-faced
two-timing
undependable
unfaithful
unloyal
unreliable
untrustworthy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.