Faithfulness

Faithfulness means unfailingly remaining loyal to someone or something, and putting that loyalty into consistent practice regardless of extenuating circumstances.

It may be exhibited, for example, by a husband or wife who does not engage in sexual relationships outside of the marriage.

[1] It can also mean keeping one's promises no matter the prevailing circumstances, such as in certain communities of monks who take a vow of silence.

[2] Literally, it is the state of being full of faith in the sense of steady devotion to a person, thing, or concept.

[citation needed] Similarly, a spouse who, inside a sexually exclusive relationship, has sexual relations outside of marriage could be considered as being "unfaithful" and as having committed "infidelity".