Refers specifically to sound that lacks variation in pitch, not just volume or pace.

Lack of Melody

Indicates an absence of any melodious qualities that you would typically find in music.

Not Musical

Describes a voice that does not hold any identifiable emotion or mood.

Conveys a lack of personal engagement or emotional involvement.

Used to express indifference, suggesting the speaker doesn't care much about the topic.

Be cautious, as toneless language can sometimes be misinterpreted as rude or uncaring.