- unmelodious
- adjuntuneful, unmusical, tuneless; out of tune, out of step, out of key, off-key, off beat, off-pitch, Music Inf. sour, Music. flat, Music. sharp; inharmonious, unharmonious, inharmonic, dissonant, discordant, absonant, cacophonous, cacophonic; harsh, jarring, strident, stridulous, stridulant, raucous, grating, creaking, scratchy, raspy, rasping.
A Note on the Style of the synonym finder. 2014.