Synonyms for High-fidelity | High-fidelity at Open Dictionary of English by LearnThat Foundation

Synonyms for High-fidelity (same or very similar meaning)

WordNet sense 1 (characterized by minimal distortion in sound reproduction):

hi-fi

WordNet sense 2 (conforming exactly or almost exactly to fact or to a standard or performing with total accuracy):

accurate

From the ODE community, based on WordNetadd/edit