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

Inside, standing 43 inches tall, a silver speaker from Takahiro Miyashita’s brand TheSoloist vibrates high fidelity through the showroom.

From Los Angeles Times • Apr. 17, 2026

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

However, integrated MWP systems have struggled to simultaneously achieve ultrahigh-speed analog signal processing with chip-scale integration, high fidelity, and low power.

From Science Daily • Feb. 28, 2024

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

From Rastignac the Devil by Farmer, Philip José