Synonyms for Fidelity:

n.

affair, cheat on, cheat, deceive, cuckold, adultery, constancy, Adulterer, bigamy, loyalty, adulterous. care, accuracy, truth, false beginner, bilingual, closeness, scrupulousness, communicative competence, anglophone, code switching, fluent, fluency, encode. allegiance, steadfastness, continue, obligation. exactitude, correctness, true, veracity, veridicality, exactness, veraciousness, verity. conformity to a standard (noun)
closeness, exactness, scrupulousness, accuracy, faithfulness, exactitude.
faithfulness in a relationship (noun)
constancy, steadfastness, piety, loyalty, allegiance, fealty, devotion.
fidelity (noun)
allegiance, accuracy, constancy, devotion, faithfulness, closeness, loyalty, exactness.
loyalty (noun)
esprit de corps, regionalism, sisterhood, tribalism.
piety (noun)
dutifulness, reverence, sanctimoniousness, piousness, devotion, cultism, faithfulness, worshipfulness, prayerfulness, superstitiousness, holiness, piety, christianity, solemnity, religiousness, obedience, devoutness, fealty, dogmatism, sanctification.
veracity (noun)
veridicality, veraciousness, veracity.

Other synonyms:

fluency, truth, steadfastness, code switching, veraciousness, exactitude, veridicality, false beginner, fluent, communicative competence, bilingual. verity, anglophone, exactness. correctness, encode, accuracy. allegiance
loyalty.
faithfulness
constancy.
honesty
veracity.
loyalty
esprit de corps, sisterhood, tribalism, regionalism, allegiance.
Other relevant words:
constancy, scrupulousness, closeness, correctness, encode, loyalty, regionalism, veracity, truth, bilingual, exactitude, accuracy, true, veridicality, exactness, steadfastness, obligation, allegiance, anglophone, veraciousness, verity, tribalism.

Usage examples for fidelity

  1. I have much to thank you for the manner in which you have served me, and for the attachment and fidelity you have always shown for me. – The Memoirs of Louis XIV., Volume 10 And His Court and of The Regency by Duc de Saint-Simon
  2. Blind, you come to me, when it is no longer in my power to prove my fidelity – The Rosary by Florence L. Barclay
  3. The rapid destruction which they cause has also been described with fidelity – India and the Indians by Edward F. Elwin