Perfidious
adjective
Treacherous and disloyal
“The perfidious advisor had hidden the scroll all along.”
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What does perfidious mean?
Commonly confused with
- NotOverly cautious and timid
- NotStubbornly courageous
- NotEndlessly patient
Nearby words
Perfidious is one of 1,969 SAT words in Professor Tas, a free story game where you learn them in context instead of from a list.
Coming soon