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TOEFL IELTS BNC: 11829 COCA: 10174

fidelity
fidelity /fəˈdɛləti/ noun
fidelity
/fəˈdɛləti/
noun
Learner's definition of FIDELITY
[noncount]
1 
a  : the quality of being faithful to your husband, wife, or sexual partner（对丈夫、妻子或性伴侣的）忠贞，忠实，忠诚
— often + to
— opposite infidelity
b  : the quality of being faithful or loyal to a country, organization, etc.（对国家、组织的）忠诚 — usually + to
2 
: the degree to which something matches or copies something else准确度；忠实度— + to
3 
: the degree to which a device (such as a CD player, radio, or television) correctly reproduces sounds, pictures, etc.（CD播放器、收音机、电视机等设备的）逼真度，保真度
— see also high fidelity
TOEFL IELTS BNC: 11829 COCA: 10174

fidelity

noun

fi·​del·​i·​ty fə-ˈde-lə-tē How to pronounce fidelity (audio)
fī-
plural fidelities
1
a
: the quality or state of being faithful
his fidelity to his wife
b
: accuracy in details : exactness
The movie's director insisted on total fidelity to the book.
2
: the degree to which an electronic device (such as a record player, radio, or television) accurately reproduces its effect (such as sound or picture)

Did you know?

Have a Little Faith in Fidelity

Fidelity came to English by way of French in the 15th century, and can ultimately be traced back to the Latin fidēlis, meaning "faithful, loyal, trustworthy." While fidelity was originally exclusively about loyalty, it has for centuries also been used to refer to accuracy, as in “questions about the fidelity of the translation.” Nowadays fidelity is often used in reference to recording and broadcast devices, conveying the idea that a broadcast or recording is "faithful" to the live sound or picture that it reproduces.

Synonyms

Choose the Right Synonym for fidelity

fidelity, allegiance, fealty, loyalty, devotion, piety mean faithfulness to something to which one is bound by pledge or duty.

fidelity implies strict and continuing faithfulness to an obligation, trust, or duty.

marital fidelity

allegiance suggests an adherence like that of citizens to their country.

pledging allegiance

fealty implies a fidelity acknowledged by the individual and as compelling as a sworn vow.

fealty to the truth

loyalty implies a faithfulness that is steadfast in the face of any temptation to renounce, desert, or betray.

valued the loyalty of his friends

devotion stresses zeal and service amounting to self-dedication.

a painter's devotion to her art

piety stresses fidelity to obligations regarded as natural and fundamental.

filial piety

Example Sentences

Yet as Reardon emphasizes early on, fidelity to facts was never the point. The same dinner with friends could appear over and over in Fisher's published work, rejiggered each time to make a different point. Laura Shapiro, New York Times Book Review, 12 Dec. 2004 It is a world familiar to all children, and it is this fidelity to child life that gives resonance to Hoffmann's tale and makes it an extraordinary work of art. Maurice Sendak, Caldecott & Co., 1988 Chaucer's patient Griselda proved her fidelity to her husband by resisting the prodigious reasons he gave her for being unfaithful. B. F. Skinner, Beyond Freedom and Dignity, 1971 music with much higher fidelity than on cassettes they have never wavered in their fidelity to the cause of freedom
Recent Examples on the Web But what’s perhaps most notable about him is a fidelity of outlook or character. Brad Leithauser, WSJ, 12 Aug. 2022 This approach to the factual reveals a fidelity to Rojas Contreras’s upbringing in a house crowded with her mother’s fortune-telling clientele that celebrated the unexplainable and surreal. Rosa Boshier, Washington Post, 11 Aug. 2022 Similarly, the pacing of the show suffers from a fidelity to its source material. WIRED, 24 Aug. 2022 Flat media will continue to exist, and this new media may face difficulties gaining traction within a digital distribution system that prefers low-fidelity, digestible, mobile content. Wired, 11 Aug. 2022 In the past, game developers could hide behind the limitations of the engines and hardware and did not need to create high-fidelity graphics. Frederick Daso, Forbes, 9 Aug. 2022 This is why the researchers from Edinburgh focused on fidelity of signal and how to best receive the wobbling photons from outer space. Caroline Delbert, Popular Mechanics, 13 July 2022 The case is fashioned from white, yellow and rose gold to symbolize love, friendship and fidelity. Demetrius Simms, Robb Report, 12 July 2022 Ingram points to site fidelity as an aspect of seal behavior that SealNet could shed more light on. Sean Mowbray, Smithsonian Magazine, 8 July 2022 See More

Word History

Etymology

Middle English fidelite, borrowed from Middle French fidelité, borrowed from Latin fidēlitāt-, fidēlitās, from fidēlis "faithful, loyal, trustworthy" (from fidē-, stem of fidēs "trust, belief, faith" + -lis, denominal suffix of appurtenance) + -itāt-, -itās -ity — more at faith entry 1

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of fidelity was in the 15th century

Phrases Containing fidelity
TOEFL IELTS BNC: 11829 COCA: 10174
fidelity

noun

ADJECTIVE | VERB + FIDELITY | PREPOSITION ADJECTIVE➤great極大的忠誠▸➤absolute絕對的忠誠▸➤marital, sexual對婚姻的／對性的忠實VERB + FIDELITY➤maintain保持忠誠PREPOSITION➤with fidelity忠實於◇The story is told with great fidelity to the original.這個故事講得非常忠實於原著。➤fidelity to忠於⋯◇They still maintain fidelity to their religious tradition.他們依然保持着對宗教傳統的忠誠。

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