Synonyms:
unfaithful
Meaning: not true to duty or obligation or promises; "an unfaithful lover"
Usage examples
Yet not unfaithful nor unkind, with work-day virtues surely staid, Theirs is the sane and humble mind, And dull affections undismayed.
But since neither the Jews would leave off their rage, nor the Greeks prove unfaithful, they came to an engagement, and to a close fight with their weapons.
He had never clearly thought out the subject, but he had vaguely conceived that his wife must long ago have suspected him of being unfaithful to her, and shut her eyes to the fact.
There are, in many prisons, treacherous employees, half-jailers, half-thieves, who assist in escapes, who sell to the police an unfaithful service, and who turn a penny whenever they can.
For to deviate from the principle of duty is beyond all doubt wicked; but to be unfaithful to my maxim of prudence may often be very advantageous to me, although to abide by it is certainly safer.