Infidelity

[Sonia]

Want of faith or belief in some religious system;
especially, a want of faith in, or disbelief of, the inspiration of the
Scriptures, of the divine origin of Christianity.

[Julian]

[unfaithfulness] to a [sexual partner].
Lack of [loyalty] or religious belief

[Hina Muqadas]

s a [violation] of [a couples] [assumed] or stated contract regarding emotional and/or sexual exclusivity

[Oralee]

a [threesome] you werent [invited] to

[Marquetta]

Going outside of a [monogomous] relationship for sexual intercourse, [companionship], or attention. [Cheating].

[Kit]

[The state] of being [unfaithful], to either a partner, friend, [co-worker], etc.

[Zipporah Schumaker]

the action or state of being [unfaithful] to a [spouse] or other [sexual partner].

[Jessica]

unbelief in a particular religion, especially [Christianity].
the action or state of being [unfaithful] to a spouse or other [sexual partner].