A person in a committed relationship may be said to be unfaithful if they somehow break the rules to be in a relationship with an unapproved person.

The typical situation to which this is applied is a member of a monogamous couple having sex with someone else. But it can also be applied to any other kind of affair, such as when a person in a polyamorous group hooks up with someone outside the group, or when a person who has agreed not to, for example, kiss anyone other than her partner does so.

This can easily be understood as a subset of the general definition of un-faithful, but it is more commonly used than other meanings of the word.


Unfaithful(2002), is also a movie starring Diane Lane and Richard Gere.

Its title suggests everything 'bout the story, so I won't bother you readers with insignificant plot-details ...

I leave it all at  your own choice wether to waste your time doing something more interesting or watch Unfaithful.

Alas,I must warn you : this movie deserves to be savored at approximately the same level like you would a lumpish climax.

Have a pleasant and delightful motion picture viewing !



Un*faith"ful (?), a.


Not faithful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant.

My feet, through wine, unfaithful to their weight. Pope.

His honor rooted in dishonor stood, And faith unfaithful kept him falsely true. Tennyson.


Not possessing faith; infidel.



-- Un*faith"ful*ly, adv. -- Un*faith"ful*ness, n.


© Webster 1913.

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