Tuneless

a.	1.	Without tune; inharmonious; unmusical. How often have I led thy sportive choir, With tuneless pipe, beside the murmuring Loire! - Goldsmith.
	2.	Not employed in making music; as, tuneless harps.
	3.	Not expressed in music or poetry; unsung.

Adj.

1.

tuneless - not having a musical sound or pleasing tune Synonyms: unmelodious, untuneful Antonyms: melodious, tuneful - having a musical sound; especially a pleasing tune

absonant, atonal, cacophonous, cracked, diaphonic, disconsonant, discordant, disharmonic, disharmonious, dissonant, flat, grating, harsh, immelodious, inharmonic, inharmonious, musicless, nonmelodious, off, off-key, off-tone, out of pitch, out of tone, out of tune, raucous, sharp, shrill, sour, strident, unharmonious, unmelodious, unmusical, untunable, untuned, untuneful