fidelity
adherence to something to which one is bound by a pledge or duty
Synonyms for fidelity
adhesion, allegiance, attachment, commitment, constancy, dedication, devotedness, devotion, faith, faithfulness, fastness, fealty, loyalty, piety, steadfastness, troth
Words Related to fidelity
affection, fondness
determination, firmness, resolution
dependability, reliability, trustability, trustiness, trustworthiness
Near Antonyms for fidelity
alienation, disaffection, estrangement, separation
Antonyms for fidelity
disloyalty, faithlessness, falseness, falsity, inconstancy, infidelity, perfidiousness, perfidy, treachery, unfaithfulness
This talk video may sound stupid but there are some good points she is making;
Courtesy:
https://www.merriam-webster.com/thesaurus/fidelity
Monogamish: The new rules of marriage | Jessica O’Reilly | TEDxVancouver