fidelity

fi·del·i·ty  (f-dl-t, f-)

n. pl. fi·del·i·ties

1. Faithfulness to obligations, duties, or observances.

2. Exact correspondence with fact or with a given quality, condition, or event; accuracy.

3. The degree to which an electronic system accurately reproduces the sound or image of its input signal.

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[Middle English fidelite, from Old French, from Latin fidlits, from fidlis, faithful, from fids, faith; see bheidh- in Indo-European roots.]

Synonyms: fidelity, allegiance, fealty, loyalty
These nouns denote faithfulness. Fidelity implies the unfailing fulfillment of one's duties and obligations and strict adherence to vows or promises: fidelity to one's spouse.
Allegiance is faithfulness considered as a duty: "I know no South, no North, no East, no West, to which I owe any allegiance.... The Union, Sir, is my country" (Henry Clay).
Fealty, once applied to the obligation of a tenant or vassal to a feudal lord, now suggests faithfulness that one has pledged to uphold: swore fealty to the laws of that country.
Loyalty implies a steadfast and devoted attachment that is not easily turned aside: loyalty to an oath; loyalty to one's family.

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fidelity

Noun

pl -ties

1. faithfulness to one's spouse or lover

2. loyalty to a person, belief, or cause

3. accuracy in reporting detail: an account of the invasion written with objectivity and fidelity

4. Electronics the degree to which an amplifier or radio accurately reproduces the input signal [Latin fides faith]

Thesaurus

Noun	1.	fidelity - accuracy with which an electronic system reproduces the sound or image of its input signal accuracy, truth - the quality of being near to the true value; "he was beginning to doubt the accuracy of his compass"; "the lawyer questioned the truth of my account"
	2.	fidelity - the quality of being faithful faithfulness quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare constancy - faithfulness and dependability in personal attachments (especially sexual fidelity) dedication - complete and wholehearted fidelity loyalty, trueness - the quality of being loyal infidelity, unfaithfulness - the quality of being unfaithful

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fidelity

noun 1. loyalty, faith, integrity, devotion, allegiance, constancy, faithfulness, dependability, trustworthiness, troth (archaic) fealty, staunchness, devotedness, lealty (archaic), Scot. true-heartedness << OPPOSITE disloyalty

noun 2. accuracy, precision, correspondence, closeness, adherence, faithfulness, exactitude, exactness, scrupulousness, preciseness << OPPOSITE inaccuracy

Translations

fidelity [fɪˈdɛlɪtɪ] n → fidelidad f

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fidelity [fɪˈdɛlɪtɪ] n → fidélité f

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fidelity [fɪˈdɛlɪtɪ] n → Treue f;

(accuracy) → Genauigkeit f

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fidelity [fɪˈdɛlɪtɪ] n → fedeltà (= accuracy); esattezza

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fidelity

n fidelity [fiˈdeləti]

faithfulness or loyalty his fidelity to his wife; fidelity to a promise. trou, getrouheid إخلاص، أمانَه، وَفاء вярност věrnost troskab; loyalitet die Treue πίστη, αφοσίωση fidelidad truudus وفاداری uskollisuus fidélité נֶאֱמָנוּת स्वामी भक्ति, ईमानदारी vjernost hűség kesetiaan tryggð fedeltà 忠実 충실함 ištikimybė uzticība kesetiaan trouw troskap, trofasthet wierność fidelidade fidelitate верность vernosť zvestoba odanost trohet ความจงรักภักดี sadakat 忠誠 вірність, відданість وفاداری sự trung thực; sự trung thành 忠诚