Synonyms of faithless in English:

faithless


See definition of faithless

adjective

1‘she left her faithless lover’

SYNONYMS

unfaithful, disloyal, inconstant, false, false-hearted, untrue, adulterous, traitorous, treacherous, perfidious, fickle, flighty, untrustworthy, unreliable, undependable, deceitful, deceiving, two-faced, Janus-faced, double-dealing, double-crossing

informal cheating, two-timing, back-stabbing

rare double-faced

ANTONYMS

faithful

2‘the natives were ungodly and faithless’

SYNONYMS

unbelieving, non-believing, irreligious, without religious faith, disbelieving, doubting, sceptical, agnostic, atheistic, non-theistic

pagan, heathen

rare nullifidian