SINCE 1828
hi-fi
noun
\ ˈhī-ˈfī
\
\
Definition of hi-fi
1
: high fidelity
2
: equipment for reproduction of sound with high fidelity
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More Definitions for hi-fi
hi-fi
noun
English Language Learners Definition of hi-fi
somewhat old-fashioned
: a piece of electronic equipment for reproducing sound in a clear and accurate way
See the full definition for hi-fi in the English Language Learners Dictionary
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