fidelity
fi·del·i·ty/fɪˈdɛləti/noun
fidelity is spelled F-I-D-E-L-I-T-Y: 8 letters and 4 syllables (fi·del·i·ty). It appears 3.3 times per million words in written English, the 14,509th most frequent word form (wordfreq, 2021 data). As a noun, fidelity means “Often followed by to or towards: faithfulness or loyalty towards a person, a group, one's civic or moral duties, etc.; allegiance; (countable) an…” (English Wiktionary, September 2026). The plural of fidelity is fidelities.
How many letters and syllables are in fidelity?
| Letters | 8: F-I-D-E-L-I-T-Y |
|---|---|
| Syllables | 4: fi·del·i·ty |
| In writing | 3.3 times per million words; the 14,509th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is fidelity?
Fidelity appears 3.3 times per million words in written English, the 14,509th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce fidelity?
- UK /fɪˈdɛlɪti/
- US /fɪˈdɛləti/
- US /faɪ-/
Fidelity has 4 syllables, split fi·del·i·ty in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-fidelity.wav, Wikimedia Commons (author and licence on each file's page).
Forms of fidelity
- fidelities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does fidelity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Often followed by to or towards: faithfulness or loyalty towards a person, a group, one's civic or moral duties, etc.; allegiance; (countable) an instance of this.
the fidelity of the civil servants to their country
- 2
Faithfulness or loyalty to one's partner or spouse, including restraint from romantic or sexual relationships with third parties.
- 3
archaicFaithfulness to God and one's religion.
Near-synonym: faith
- 4
Accuracy, or exact correspondence, to some given fact or quality; exactness.
- 5
The closeness of association between an organism and a plant community.
- 6
Chiefly in high fidelity, low fidelity, etc.: the degree to which a system accurately reproduces an input such as an image or sound.
- 7
obsoleteIn by one's fidelity, to break fidelity, to give fidelity, etc.: one's pledge or promise to act in good faith; an oath, a word of honour.
- 8
obsoleteOf a person: honesty, trustworthiness; (countable) an instance of this.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate fidelity?
Wiktionary records 2 abbreviations of fidelity: Fid., fi.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Fidelity in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | fidélité |
| German | Redlichkeit , Treue , Genauigkeit |
| Portuguese | fidelidade, lealdade |
| Spanish | fidelidad |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does fidelity come from?
From Late Middle English fidelite (“allegiance, fealty; faithfulness, trust; agreement made in good faith”), from Old French fidélité (“faithfulness, fidelity”) (modern French fidélité), from Latin fidēlitās (“faithfulness, fidelity”), from fidēlis (“dependable, trustworthy; faithful, loyal”) + -tās (suffix forming feminine abstract nouns denoting a state of being).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).