Discordant, 6 letters
Flat or sharp, 6 letters
How Alfalfa sings, 6 letters
How karaoke often turns out, 6 letters
Like a bad American Idol contestant, 6 letters
Like an inept singer, 6 letters
Like some singing in grade school assemblies, 6 letters
Out of tune, 6 letters
Sharp or flat, 6 letters
Unharmonious, 6 letters
Askew, 9 letters