adjective deceitful and untrustworthy
The perfidious actions of the government were met with widespread criticism.
The perfidious character betrayed his friends in the novel, leading to a tragic outcome.
The perfidious treaty signed by the two nations ultimately led to war.
The competitor's perfidious tactics undermined the company's success.
She could no longer trust him after his perfidious behavior.
In literature, the term 'perfidious' is often used to describe a character who is deceitful or untrustworthy, adding complexity to the plot.
Psychologists may use the term 'perfidious' to describe behavior or patterns of behavior that indicate a lack of trustworthiness or reliability in a person's actions.
Lawyers may use the term 'perfidious' in legal contexts to describe a breach of trust or betrayal, particularly in cases involving fraud or deception.
Politicians may use the term 'perfidious' to criticize an opponent's actions or policies as deceitful or untrustworthy.