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perfidious
adjective
See more 4-syllable adjectives

Divide perfidious into syllables:

per · fid · i · ous

How 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:

fickleuntruetreacherousdeceitfulunreliableunfaithfultwo-faceddisloyaldishonestcorrupt
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Antonyms for perfidious:

unwaveringboldveraciousdependablescrupulousheartfeltresolutetruerespectablefast
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Other 4-syllable words like perfidious

Here are some other common words that have 4 syllables, like perfidious does.

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