cheat(on) sb;(esp US)be unfaithful to one's wife,husband or lover
A lot of people divorce because one person is unfaithful to the other.
No one told him that his wife had been stepping out on him for over a year.
In the research of world history, some quotations of foreign sources are not faithful to the original.
Unfaithful or disloyal to a belief, duty, or cause.
Faithfulness to obligations, duties, or observances.
He will stick to her whatever happens.
A faithless or disloyal person.
She could do no wrong in the opinion of her devoted followers.
The two friends vowed to stick by one another no matter what happened.
You intend to remain faithful to your wife after all? I should think so not!
steadfast in affection or allegiance.
steadfast in allegiance or duty.
Now I have found out she 's been two-timing me .
an unfaithful servant, subject, etc
disloyalty by virtue of subversive behavior.
I discovered then that so long as I am committed to the truth,
His translation follows the original faithfully.