perfidious
Definition
Deceitful and untrustworthy, especially in breaking faith or trust.
日本語 裏切りと信頼を破ること、不誠実
Example
"The perfidious spy betrayed his own country for personal gain."
Deceitful and untrustworthy, especially in breaking faith or trust.
日本語 裏切りと信頼を破ること、不誠実
"The perfidious spy betrayed his own country for personal gain."