FIDELITY

fidelity

(noun) accuracy with which an electronic system reproduces the sound or image of its input signal

fidelity, faithfulness

(noun) the quality of being faithful

Source: WordNet® 3.1

Etymology

Noun

fidelity (countable and uncountable, plural fidelities)

Faithfulness to one's duties.

Loyalty to one's spouse or partner, including abstention from extramarital affairs.

Accuracy, or exact correspondence to some given quality or fact.

The degree to which a system accurately reproduces an input.

Antonyms

• infidelity

Source: Wiktionary

Fi*del"i*ty, n. Etym: [L. fidelitas: cf. F. fidélité. See Fealty.]

Definition: Faithfulness; adherence to right; careful and exact observance of duty, or discharge of obligations. Especially: (a) Adherence to a person or party to which one is bound; loyalty. Whose courageous fidelity was proof to all danger. Macaulay. The best security for the fidelity of men is to make interest coincide with duty. A. Hamilton.

(b) Adherence to the marriage contract. (c) Adherence to truth; veracity; honesty. The principal thing required in a witness is fidelity. Hooker.

Syn.

– Faithfulness; honesty; integrity; faith; loyalty; fealty.

Source: Webster’s Unabridged Dictionary 1913 Edition