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OneKitly

fidelity

nounattested in dialogue

  • United States//fᵻˈdɛlədi//
  • //fɪˈdɛl.ɪ.ti//
  • //faɪˈdɛl.ɪ.ti//

Faithfulness to one's moral or civic duties.

noun

  1. 1

    Faithfulness to one's moral or civic duties.

    the fidelity of the civil servants

  2. 2

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

  3. 3

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

  4. 4

    The degree to which a system accurately reproduces an input.

    By placing them closer to the source, we can reduce the number of messages in the system and this in turn is likely to improve the fidelity of the system.

  5. 5

    archaicFaithfulness to God and one's religion.

    Near-synonym: faith

Etymology

15th century, from Middle English [Term?], from Middle French fidélité, from Latin fidēlitās, from fidēlis (“faithful”), from fidēs (“faith, loyalty”) (English faith), from Proto-Indo-European *bʰidʰ-, zero-grade of *bʰeydʰ- (“to command, to persuade, to trust”) (English bide). Doublet of fealty.

Forms

plural
fidelities
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).