Perfidious
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[deceitful], [treacherous], [faithless], tending to betray
Perfidious meaning & definition 1 of Perfidious.
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unable to be trusted, or showing no loyalty:
Perfidious meaning & definition 2 of Perfidious.
[deceitful], [treacherous], [faithless], tending to betray
unable to be trusted, or showing no loyalty: