high fidelity noun 2adjective 1 noun2 •The electronic reproduction of a given sound or image with relatively high accuracy.High Fidelity is an attempt to minimize the effect of the electro-mechanical means necessary to the reproduction of music. — 1954 •A high-quality reproduction of sound.AFTER 500 PLAYS OUR HIGH FIDELITY TAPE STILL DELIVERS HIGH FIDELITY — 1980 adjective1 •Characterized by minimal distortion.
