Hi-Fi
Hi-Fi Type: noun Pronunciation: /hi-fi/ Also spelled or known as: Hi Fi, HiFi Related: Lo-Fi, Fidelity What does Hi-Fi mean? Hi-Fidelity; high quality audio, in terms of bitrate/sample rate. Hi-Fi (also known as High-Fidelity) means high quality audio, in terms of bitrate/sample rate. Hi-Fi synonyms: Hi-Fidelity Example sentence: “I heard the album on Hi-Fi speakers.”