Pronunciation: /haɪ faɪ/
noun a high-quality audio system
A1 I bought a new hi fi system for my living room.
A2 She loves listening to music on her hi fi speakers.
B1 The hi fi equipment in the studio provides excellent sound quality.
B2 The hi fi amplifier is compatible with various audio devices.
C1 The hi fi setup in the home theater room is top of the line.
C2 The hi fi sound system at the concert venue created an immersive audio experience.
adjective describing something of high quality or high fidelity
A1 I bought a hi fi stereo system for my living room.
A2 The hi fi speakers produced crystal clear sound.
B1 She prefers hi fi headphones for listening to music.
B2 The hi fi amplifier enhanced the audio quality of the music.
C1 The hi fi sound system in the studio was top of the line.
C2 The hi fi equipment used in the concert hall was state-of-the-art.
formal The company specializes in selling high-quality hi fi audio equipment.
informal I love listening to music on my hi fi system at home.
slang Check out my new hi fi setup, it's lit!
figurative His attention to detail is like a hi fi system, picking up every little nuance.
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