FIDELITY Synonyms: 40 Similar and Opposite Words

Q: How is the word 'fidelity' distinct from other similar nouns?

Some common synonyms of fidelity are allegiance , devotion , fealty , loyalty , and piety . While all these words 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

Q: Where would 'allegiance' be a reasonable alternative to 'fidelity'?

The words allegiance and fidelity are synonyms, but do differ in nuance. Specifically, allegiance suggests an adherence like that of citizens to their country. // pledging allegiance

Q: When would 'devotion' be a good substitute for 'fidelity'?

While the synonyms devotion and fidelity are close in meaning, devotion stresses zeal and service amounting to self-dedication. // a painter's devotion to her art

Q: When can 'fealty' be used instead of 'fidelity'?

The meanings of fealty and fidelity largely overlap; however, fealty implies a fidelity acknowledged by the individual and as compelling as a sworn vow. // fealty to the truth

Q: When might 'loyalty' be a better fit than 'fidelity'?

The words loyalty and fidelity can be used in similar contexts, but loyalty implies a faithfulness that is steadfast in the face of any temptation to renounce, desert, or betray. // valued the loyalty of his friends

Q: When could 'piety' be used to replace 'fidelity'?

The synonyms piety and fidelity are sometimes interchangeable, but piety stresses fidelity to obligations regarded as natural and fundamental. // filial piety

fidelity

noun

fə-ˈde-lə-tē

Definition of fidelity next

as in loyalty

adherence to something to which one is bound by a pledge or duty they have never wavered in their fidelity to the cause of freedom

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How is the word fidelity distinct from other similar nouns?

Some common synonyms of fidelity are allegiance, devotion, fealty, loyalty, and piety. While all these words 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

Where would allegiance be a reasonable alternative to fidelity?

The words allegiance and fidelity are synonyms, but do differ in nuance. Specifically, allegiance suggests an adherence like that of citizens to their country.

pledging allegiance

When would devotion be a good substitute for fidelity?

While the synonyms devotion and fidelity are close in meaning, devotion stresses zeal and service amounting to self-dedication.

a painter's devotion to her art

When can fealty be used instead of fidelity?

The meanings of fealty and fidelity largely overlap; however, fealty implies a fidelity acknowledged by the individual and as compelling as a sworn vow.

fealty to the truth

When might loyalty be a better fit than fidelity?

The words loyalty and fidelity can be used in similar contexts, but loyalty implies a faithfulness that is steadfast in the face of any temptation to renounce, desert, or betray.

valued the loyalty of his friends

When could piety be used to replace fidelity?

The synonyms piety and fidelity are sometimes interchangeable, but piety stresses fidelity to obligations regarded as natural and fundamental.

filial piety

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of fidelity Apple AirPods Deals The Apple AirPods 4 deliver exceptional high-fidelity sound using custom drivers, Adaptive EQ adjustments, and Personalized Spatial Audio with dynamic head tracking. —

Juhi Wadia, PC Magazine, 26 May 2026 The lesser the spacing between quantum dots, the better the controllability and fidelity of the system. —

Ameya Paleja, Interesting Engineering, 26 May 2026 Yet its fidelity to the truth of each idiosyncratic character makes the show’s whiplash narrative feel believable. —

Judy Berman, Time, 20 May 2026 If strict fidelity gets in the way, it can be treated as immaterial. —

Literary Hub, 19 May 2026 See All Example Sentences for fidelity

Recent Examples of Synonyms for fidelity

Noun

That often means a tighter product lineup, stronger retail relationships and paying closer attention to customer loyalty instead of just customer acquisition.

— Sara Payan, Rolling Stone, 27 May 2026
While Harry and Kate were exceptionally close, Andersen wondered whether Meghan’s outlook on loyalty to the crown as a newcomer complicated that dynamic.

— Stephanie Nolasco, FOXNews.com, 27 May 2026