perfidious
adjectiveHow to pronounce perfidious:
Definition of perfidious:
- perfidious (adjective):
- treacherous or deceitful
- of, relating to, or characterized by perfidy
- adjective. tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans.
Synonyms for perfidious:
corrupt
deceitful
dishonest
disloyal
double-dealing
double-faced
faithless
false
fickle
inconstant
recreant
traitorous
treacherous
treasonous
two-faced
unfaithful
unreliable
untrue
untrustworthy
Antonyms for perfidious:
above reproach
above-board
aboveboard
actual
allegiant
ardent
artless
attached
authentic
believing
bold
candid
committed
conscionable
conspicuous
constant
costant
decent
dedicated
dependable
devoted
devout
dinkum
direct
down-the-line
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