redder

adjective

1. 1

   Having red as its color.

   “The girl wore a red skirt.”

2. 2

   (of hair) Having an orange-brown or orange-blond colour; ginger.

   “Her hair had red highlights.”

3. 3

   (of a card) Of the hearts or diamonds suits. Compare black

   “I got two red queens, and he got one of the black queens.”

4. 4

   (often capitalized) Supportive of, related to, or dominated by a political party or movement represented by the color red:

5. 5

   Amerind; relating to Amerindians or First Nations

6. 6

   Of the lower-frequency region of the (typically visible) part of the electromagnetic spectrum which is relevant in the specific observation.

7. 7

   Having a color charge of red.