- The definition of tone deaf is someone who can't hear the difference in musical notes, or who can't sing.
An example of tone deaf is someone who sings along to songs but who has a terrible voice and cannot get the pitch of the notes right.
tone-deaf definition by Webster's New World
not able to distinguish accurately differences in musical pitch
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- tone-deafness noun
tone-deaf definition by American Heritage Dictionary
Unable to distinguish differences in musical pitch.