perfidious

Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.

Pronounced as (IPA)

/pɚˈfɪdi.əs/

Etymology

From Latin perfidiōsus (“treacherous”), from perfidia.

Synonyms

treacherous

unfaithful

faithless

disloyal

insidious

deceitful

guileful

traitorous

false-hearted

devious

recreant

infidel

punic

sly

sneak

sneaky

unbeliever

underhand

underhanded

ungodly

unjust

untrue

double-hearted

trappy

breaking one’s promises

Punic

dishonest and wicked

adulterous

cagey

cagy

catty

crafty

dishonest

false

foxy

hangdog

renegade

rogue

shady

Translations

perfide

perfido

pérfido

pérfido

hain

traiçoeiro

verraderlijk

sleale

perfide

perfide

perfidny

treulos

doortrapt

heimtückisch

astucieux