hi-fi

• HiFi, Hi-Fi

Shortened form of high fidelity.

• (UK) IPA^(key): /ˈhaɪˌfaɪ/
• (US) IPA^(key): /ˌhaɪˈfaɪ/^[1]

  • Audio (US):

    (file)

• Audio (US):

  (file)

• Rhymes: -aɪfaɪ

hi-fi (countable and uncountable, plural hi-fis)

1. (uncountable) High fidelity.
2. (countable) An electronic device used to play recorded sound, especially music.

   Synonyms: stereo, sound system

• lo-fi

hi-fi (comparative more hi-fi, superlative most hi-fi)

1. (India) modern, fashionable, hi-tech.
   • 2024 June 24, Bangalore Mirror‎^[1], archived from the original on 3 December 2025:

     If buses could fly: Hi-fi idea to fix traffic woes back on table

   • 2019 October 21, The New Indian Express‎^[2], archived from the original on 3 December 2025:

     It’s about survival and a hi-fi lifestyle, where human life doesn’t count,” said Police Commissioner Bhaskar Rao.

• “hi-fi”, in Collins English Dictionary.
• “hi-fi”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “hi-fi”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “hi-fi”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.

• IIHF

Unadapted borrowing from English hi-fi.

hi-fi m or f or n (indeclinable)

1. hi-fi