noun · 7 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/fɪˈdɛl.ɪ.ti/
/faɪˈdɛl.ɪ.ti/
US:/fᵻˈdɛlədi/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:F AH0 D EH1 L AH0 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:F AY2 D EH1 L AH0 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Faithfulness to one's moral or civic duties.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
the fidelity of the civil servants
Meaning relationships
Synonyms: allegiance
Antonyms: none provided
2
noun
Meaning 2
Loyalty to one's spouse or partner, including abstention from cheating or extramarital affairs.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: infidelity
3
noun
Meaning 3
Accuracy, or exact correspondence to some given quality or fact.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The degree to which a system accurately reproduces an input.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
Faithfulness to God and one's religion.
Definition source: English Wiktionary via Wiktextract
Usage: archaic, countable, uncountable
Examples
Near-synonym: faith
Meaning relationships
Synonyms: faith
Antonyms: infidelity, irreligion, nullifidianism
Broader terms: loyalty
6
noun
Meaning 6
accuracy with which an electronic system reproduces the sound or image of its input signal
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: accuracy, truth
7
noun
Meaning 7
the quality of being faithful
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
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.
Across languages
Translations
88 source translations are retained for this English entry.
Arabic:
إِخْلَاص
(ʔiḵlāṣ)
— faithfulness to one's duties
Arabic:
وَلَاء
(walāʔ)
— faithfulness to one's duties
Bulgarian:
преданост
(predanost)
— faithfulness to one's duties
Catalan:
fidelitat
— faithfulness to one's duties
Cherokee:
ᎪᎯᏳᏗ
(gohiyudi)
— faithfulness to one's duties
Chinese Mandarin:
忠實 /忠实
(zhōngshí)
— faithfulness to one's duties
Chinese Mandarin:
忠誠 /忠诚
(zhōngchéng)
— faithfulness to one's duties
Finnish:
uskollisuus
— faithfulness to one's duties
Finnish:
lojaalius
— faithfulness to one's duties
French:
fidélité
— faithfulness to one's duties
Galician:
fidelidade
— faithfulness to one's duties
German:
Redlichkeit
— faithfulness to one's duties
Hungarian:
hűség
— faithfulness to one's duties
Icelandic:
tryggð
— faithfulness to one's duties
Italian:
fedeltà
— faithfulness to one's duties
Central Kurdish:
ڕاستگۆیی
(rastgoyî)
— faithfulness to one's duties
Latin:
fidelitas
— faithfulness to one's duties
Malay:
kesetiaan
— faithfulness to one's duties
Māori:
pirihonga
— faithfulness to one's duties
Māori:
pirihonge
— faithfulness to one's duties
Māori:
pirihongi
— faithfulness to one's duties
Māori:
ngākaupono
— faithfulness to one's duties
Persian:
صداقت
(sedāqat)
— faithfulness to one's duties
Persian:
درستی
(dorosti)
— faithfulness to one's duties
Persian:
راستگویی
(rāstguyi)
— faithfulness to one's duties
Portuguese:
fidelidade
— faithfulness to one's duties
Portuguese:
lealdade
— faithfulness to one's duties
Romanian:
fidelitate
— faithfulness to one's duties
Russian:
ве́рность
(vérnostʹ)
— faithfulness to one's duties
Spanish:
fidelidad
— faithfulness to one's duties
Swedish:
trohet
— faithfulness to one's duties
Swedish:
plikttrohet
— faithfulness to one's duties
Tamil:
நேர்மை
(nērmai)
— faithfulness to one's duties
Turkish:
sadakat
— faithfulness to one's duties
Ottoman Turkish:
صداقت
(sadakat)
— faithfulness to one's duties
Ukrainian:
ві́рність
(vírnistʹ)
— faithfulness to one's duties
Bulgarian:
точност
(točnost)
— accuracy, or exact correspondence to some given quality or fact
Bulgarian:
прецизност
(preciznost)
— accuracy, or exact correspondence to some given quality or fact
Chinese Mandarin:
逼真度
— accuracy, or exact correspondence to some given quality or fact
Finnish:
tarkkuus
— accuracy, or exact correspondence to some given quality or fact
Finnish:
täsmällisyys
— accuracy, or exact correspondence to some given quality or fact
Galician:
fidelidade
— accuracy, or exact correspondence to some given quality or fact
German:
Genauigkeit
— accuracy, or exact correspondence to some given quality or fact
Hebrew:
דיוק
(diyúk)
— accuracy, or exact correspondence to some given quality or fact
Hungarian:
hűség
— accuracy, or exact correspondence to some given quality or fact
Hungarian:
pontosság
— accuracy, or exact correspondence to some given quality or fact
Polish:
wierność
— accuracy, or exact correspondence to some given quality or fact
Portuguese:
fidelidade
— accuracy, or exact correspondence to some given quality or fact
Russian:
то́чность
(tóčnostʹ)
— accuracy, or exact correspondence to some given quality or fact
Spanish:
fidelidad
— accuracy, or exact correspondence to some given quality or fact
Swedish:
exakthet
— accuracy, or exact correspondence to some given quality or fact
Welsh:
ffyddlondeb
— accuracy, or exact correspondence to some given quality or fact
Welsh:
manyldeb
— accuracy, or exact correspondence to some given quality or fact
Bulgarian:
вярност
(vjarnost)
— loyalty, especially to one's spouse
Chinese Mandarin:
忠貞 /忠贞
(zhōngzhēn)
— loyalty, especially to one's spouse
Finnish:
uskollisuus
— loyalty, especially to one's spouse
Galician:
fidelidade
— loyalty, especially to one's spouse
German:
Treue
— loyalty, especially to one's spouse
Hebrew:
נאמנות
(ne'emanút)
— loyalty, especially to one's spouse
Hungarian:
hűség
— loyalty, especially to one's spouse
Hungarian:
ragaszkodás
— loyalty, especially to one's spouse
Icelandic:
tryggð
— loyalty, especially to one's spouse
Irish:
dílseacht
— loyalty, especially to one's spouse
Māori:
piripono
— loyalty, especially to one's spouse
Polish:
wierność
— loyalty, especially to one's spouse
Portuguese:
fidelidade
— loyalty, especially to one's spouse
Portuguese:
lealdade
— loyalty, especially to one's spouse
Russian:
лоя́льность
(lojálʹnostʹ)
— loyalty, especially to one's spouse
Spanish:
fidelidad
— loyalty, especially to one's spouse
Swedish:
trohet
— loyalty, especially to one's spouse
Tamil:
நேர்மை
(nērmai)
— loyalty, especially to one's spouse
Tamil:
ஒழுக்கம்
(oḻukkam)
— loyalty, especially to one's spouse
Turkish:
sadık
— loyalty, especially to one's spouse
Ukrainian:
ві́рність
(vírnistʹ)
— loyalty, especially to one's spouse
Welsh:
ffyddlondeb
— loyalty, especially to one's spouse
Catalan:
fidelitat
— the degree to which an electronic system accurately reproduces a given sound or image
Chinese Mandarin:
保真度
(bǎozhēndù)
— the degree to which an electronic system accurately reproduces a given sound or image
Finnish:
toistokyky
— the degree to which an electronic system accurately reproduces a given sound or image
Galician:
fidelidade
— the degree to which an electronic system accurately reproduces a given sound or image
Hebrew:
נאמנות למקור
(ne'emanút lamakór)
— the degree to which an electronic system accurately reproduces a given sound or image
Irish:
dílseacht
— the degree to which an electronic system accurately reproduces a given sound or image
Japanese:
忠実度
(chūjitsudo)
— the degree to which an electronic system accurately reproduces a given sound or image
Polish:
wierność
— the degree to which an electronic system accurately reproduces a given sound or image
Portuguese:
fidelidade
— the degree to which an electronic system accurately reproduces a given sound or image
Russian:
ка́чество
(káčestvo)
— the degree to which an electronic system accurately reproduces a given sound or image
Spanish:
fidelidad
— the degree to which an electronic system accurately reproduces a given sound or image
Swedish:
fidelitet
— the degree to which an electronic system accurately reproduces a given sound or image
Swedish:
exakthet
— the degree to which an electronic system accurately reproduces a given sound or image