high fidelity

American  

noun

Electronics.

1. sound reproduction over the full range of audible frequencies with very little distortion of the original signal.

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high fidelity British  

noun

1. Often shortened to: hi-fi. 

   1. the reproduction of sound using electronic equipment that gives faithful reproduction with little or no distortion

   2. ( as modifier )

      a high-fidelity amplifier

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Other Word Forms

• high-fidelity
  adjective

Etymology

Origin of high fidelity

First recorded in 1930–35

Example Sentences

The breadth of McCartney and Wings’ abiding work is presented in breathtaking high fidelity, no less, affording listeners a sense of the energy, urgency, and passion inherent in the group’s finest moments.

From Salon • Nov. 3, 2025

As qubits are sensitive to disturbances in the environment that could impact the performance of a quantum system, high fidelity is key.

From Barron's • Oct. 21, 2025

This is because of "really high fidelity graphics" in games needing "a lot of people involved in the development process", he explained.

From BBC • Jun. 28, 2025

Researchers used their novel system to measure these fields, and mathematical modelling to turn those fields into high fidelity images showing, millisecond-by-millisecond, which parts of the brain are engaged when we undertake tasks.

From Science Daily • Jun. 4, 2024

Here is high fidelity fiction at Philip José Farmer's story-telling best.

From Rastignac the Devil by Farmer, Philip José