Wordnet 3.0
ADJECTIVE (1)
1. 
 characterized by minimal distortion in sound reproduction; 
- Example: "a high-fidelity recording"- Example: "a hi-fi system"[syn: high-fidelity, hi-fi]
WordNet (r) 3.0 (2006):
high-fidelity
    adj 1: characterized by minimal distortion in sound
           reproduction; "a high-fidelity recording"; "a hi-fi
           system" [syn: high-fidelity, hi-fi]