PERFIDIOUS Synonyms

• showing lack of love for your country

• deserting your allegiance or duty to leader or cause or principle

• involving deception

• marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another

• deceptive or fraudulent; disposed to cheat or defraud or deceive

• capable of being corrupted

• acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another

• marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another

• marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another

• having the character of, or characteristic of, a traitor

• not in accordance with the fact or reality or actuality

• in a disloyal and faithless manner

• arising from error

• erroneous and usually accidental

• deliberately deceptive

• inappropriate to reality or facts

• not genuine or real; being an imitation of the genuine article

• designed to deceive

• inaccurate in pitch

• adopted in order to deceive

• (used especially of persons) not dependable in devotion or affection; unfaithful

• lacking sincerity

• not worthy of reliance or trust

• liable to be erroneous or misleading

• dangerously unstable and unpredictable

• lacking a sense of responsibility

• not worthy of trust or belief

• To attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite.

• The act of one who backstabs.

• reveal unintentionally

• deliver to an enemy by treachery

• disappoint, prove undependable to; abandon, forsake

• be sexually unfaithful to one's partner in marriage

• give away information about somebody

• cause someone to believe an untruth

• of or relating to or characteristic of ancient Carthage or its people or their language

• the Phoenician dialect of ancient Carthage

• tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans

• having the character of, or characteristic of, a traitor

• not true to duty or obligation or promises

• having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend

• having the character of, or characteristic of, a traitor

• not trustworthy