[uhn-der-tohn] 
| 1. | a low or subdued tone: to speak in undertones. |
| 2. | an unobtrusive or background sound: an undertone of static from the receiver. |
| 3. | an underlying quality or element; undercurrent: There was an undertone of regret in his refusal. |
| 4. | a subdued color; a color modified by an underlying color. |
dərˌtoʊn