faithless

Thy princes are faithless, companions of thieves: they all love bribes, they run after rewards.

Faithless little Judy had shown her defection from Aunty Rosa already.

In any case, after the first hours of bitterness, Tchaikovsky bore no grudge against the faithless lady.

A faithless woman, if known to be such by the person concerned, is but faithless; if she is believed faithful, she is treacherous.

He in turn obtained it from Cydalise and transmitted it to the faithless Valerie who died as also did her husband.