Definition of hi–fi
1 : high fidelity
2 : equipment for reproduction of sound with high fidelity
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1948
First Known Use of hi–fi
1948
HI–FI Defined for English Language Learners
hi-fi
play
noun
Definition of hi–fi for English Language Learners
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: a piece of electronic equipment for reproducing sound in a clear and accurate way
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See words that rhyme with hi–fi Spanish Central: Translation of hi–fi
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