per
fi
dious
Comparative
more perfidious
Superlative
most perfidious
1
relating to someone or something that is untrustworthy and disloyal
- The perfidious diplomat pretended friendship while secretly plotting against the alliance.
- Despite making promises of loyalty, the perfidious advisor betrayed the trust of the royal council.
- The perfidious actions of the spy jeopardized national security, revealing classified information to enemy forces.
- The perfidious act of spreading false rumors damaged the politician's reputation irreparably.
- The novel depicted a perfidious character who deceived everyone around him.
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