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hi-fi

American  
[hahy-fahy] / ˈhaɪˈfaɪ /

noun

  1. high fidelity.

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


adjective

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

hi-fi British  
/ ˈhaɪˈfaɪ /

noun

    1. short for high fidelity

    2. ( as modifier )

      hi-fi equipment

  1. 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

Etymology

Origin of hi-fi

1945–50, shortened form of high fidelity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

I once needed to drive an old 1958 hi-fi console to a repair shop an hour away.

From The Wall Street Journal Jun. 13, 2026

The company made critically acclaimed, sophisticated hi-fi systems whose buyers included Frank Sinatra and Hugh Hefner.

From New York Times Jun. 30, 2023

Dubbed “Supremium” internally, according to people familiar with the strategy, the new tier will be Spotify’s most expensive plan and likely offer a hi-fi feature the company first announced it was working on in 2021.

From Seattle Times Jun. 22, 2023

It seemed only a few days would pass before his “Calypso” or another of his albums would once again get spun on our hi-fi turntable.

From Los Angeles Times Apr. 25, 2023

After first deciding to work on his hi-fi set, Peter came along with me to a film.

From "Double Helix" by James D. Watson

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