amelodic

a- +‎ melodic

amelodic (comparative more amelodic, superlative most amelodic)

1. (sound) Not melodic
   • 1998 May 29, Monica Kendrick, “Sweet Self-Indulgence”, in Chicago Reader‎:

     Though her savagely amelodic vocals were mixed unfortunately low, Gordon gave the noise-hungry the most to work with, and seemed to ignite the potential for chaos that Moore and Ranaldo were keeping tastefully in check, saving themselves for the long haul.

   • 2005 February 25, Liz Armstrong, Keith Harris, Monica Kendrick, Peter Margasak, J. Niimi, “The Treatment”, in Chicago Reader‎:

     Unfortunately Harrison decided to sing on the bulk of the record, and he's got a quavery, amelodic whine like Dave Matthews.

• amelodically

• cameloid, melodica