Unfaithful

Tom is unfaithful.

A cat is an unfaithful servant which we only keep by necessity.

Alice was unfaithful to Eric.

Of the five wives he had, three were unfaithful.

Mary accused Tom of being unfaithful to her.

I wasn't unfaithful.

Tom was unfaithful.

The original is unfaithful to the translation.

Mary burned the letters of her unfaithful lover.

As Luisa was burning the letters of her unfaithful lover, a squirrel came in through the window and jumped on her shoulder.