- the reproduction of sound using electronic equipment that gives faithful reproduction with little or no distortion
- (as modifier): a high-fidelity amplifier Often shortened to: hi-fi
WordReference Random House Learner's Dictionary of American English © 2026
ˈhigh fiˈdel•i•ty, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Sound Reproductionsound reproduction over the full range of frequencies that can be heard by the human ear, with very little distortion of the signal. Also called hi-fi.
high′ fidel′ity, [Electronics.]
high′-fi•del′i•ty, adj.
- Sound Reproductionsound reproduction over the full range of audible frequencies with very little distortion of the original signal. Also called hi-fi.
- 1930–35
Collins Concise English Dictionary © HarperCollins Publishers::
high fidelity n
'high fidelity' also found in these entries (note: many are not synonyms or translations):
audiophile
- digital audio tape
- fidelity
- hi-fi
- tweeter
- woofer
- AFM
- digital audiotape
- quadraphony
- stereophonic