Asked by john

fidelity meaning

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Answered by GPT-5 mini AI
"Fidelity" (pronounced /ˈfɪdəlɪti/ — "FID-uh-lih-tee") generally means:

- Faithfulness or loyalty to a person, cause, or belief (e.g., marital fidelity).
- Accuracy in reproducing or representing something — how true or exact a copy or output is compared with the original (e.g., high-fidelity audio, model fidelity).

Examples:
- "They promised fidelity to the treaty."
- "The studio prides itself on high fidelity recordings."

Synonyms: faithfulness, loyalty, allegiance, accuracy, precision, exactness.
Antonyms: infidelity, disloyalty, inaccuracy.

Special uses:
- Audio/engineering: "high fidelity (hi‑fi)" means very accurate sound reproduction.
- Science/models: "model fidelity" refers to how well a model reproduces real-world behavior.
- Insurance: a "fidelity bond" protects employers against employee dishonesty.
- Proper noun: "Fidelity" is also the name of a financial services company (Fidelity Investments).

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