hi-fi

[ hahy-fahy ]
/ ˈhaɪˈfaɪ /

noun

a phonograph, radio, or other sound-reproducing apparatus possessing high fidelity.

adjective

of, relating to, or characteristic of such apparatus; high-fidelity.

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Origin of hi-fi

1945–50, Americanism; shortened form of high fidelity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hi-fi

British Dictionary definitions for hi-fi

hi-fi
/ (ˈhaɪˈfaɪ) /

noun informal

  1. short for high fidelity
  2. (as modifier)hi-fi equipment
a set of high-quality sound-reproducing equipment
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012