off-key Synonyms

sour false cannot carry a tune strident shrill sharp screeching raucous pitchy off jarring jangling tuneless unharmonious unnatural can't sing well falsest out of pitch off-tone untuned out of tune unmelodic unmusical unmelodious atonal dissonate irregular inharmonious immelodious caterwauling cacophonous bleak bitter atypical astringent asperous anomalous acrid absonant abnormal cracked craggy harsh grating flat fake divergent dissonant discordful discordant