- a low or subdued tone: to speak in undertones.
- an unobtrusive or background sound: an undertone of static from the receiver.
- an underlying quality or element; undercurrent: There was an undertone of regret in his refusal.
- a subdued color; a color modified by an underlying color.
- a quiet or hushed tone of voice
- an underlying tone or suggestion in words or actions
- a pale or subdued colour
