1. A slight trace or suggestion of a color, quality, or feeling:
* Example: The sky had a tinge of pink as the sun set.
* Example: Her voice held a tinge of sadness.
2. To color slightly:
* Example: The sunset tinged the clouds with orange and red.
* Example: His cheeks were tinged with embarrassment.
Essentially, "tinge" implies a subtle, diluted presence of something. It's a hint, a touch, or a subtle shade rather than a full-blown presence.