Definitions of hi-fi
  1. noun
    the reproduction of sound with little or no distortion
    synonyms: high fidelity
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    dynamic headroom, headroom
    the capacity of a system to reproduce loud sounds without distortion
    type of:
    sound reproduction
    the reproduction of sound
  2. noun
    equipment for the reproduction of sound with high fidelity
    synonyms: high fidelity sound system
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    type of:
    an audio system that can reproduce and amplify signals to produce sound
  3. adjective
    characterized by minimal distortion in sound reproduction
    “a hi-fi system”
    synonyms: high-fidelity
    conforming exactly or almost exactly to fact or to a standard or performing with total accuracy
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