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WordNet-Online 
 Definitions from WordNet | ||||
| Definitions from the WebPerfidiouslyPart of Speech: Adverb Definition: In a deceitful and treacherous manner Sample Sentence: He perfidiously betrayed his closest friend by revealing their secret to their rivals. Part of Speech: Adjective Definition: Characterized by deceitfulness and treachery Sample Sentence: The perfidiously crafted plan aimed to manipulate and deceive innocent people. Part of Speech: Noun Definition: A person who is deceitful and treacherous Sample Sentence: Do not trust that perfidiously, for they will only deceive you and ruin your reputation. Related Products on Amazon:Books on Betrayal Deception Movies | ||||
| perferential perferment perfervid perfession perfest perfetion perfiderous perfidious perfidiously perfidiously  perfidiousness perfidy perfil perfluorocarbon perfoliate perfoliate leaf perfomance 
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