red

(rĕd)

1. a. The hue of the long-wave end of the visible spectrum, evoked in the human observer by radiant energy with wavelengths of approximately 630 to 750 nanometers; any of a group of colors that may vary in lightness and saturation and whose hue resembles that of blood; one of the additive or light primaries; one of the psychological primary hues.
   b. A pigment or dye having a red hue.
   c. Something that has a red hue.
2. a. often Red A Communist.
   b. A revolutionary activist.

1. Having a color resembling that of blood.
2. Reddish in color or having parts that are reddish in color: a red dog; a red oak.
3. a. Having a reddish or coppery skin color.
   b. often Red Offensive Of or being a Native American.
4. Having a ruddy or flushed complexion: red with embarrassment.
5. often Red Communist.

Related Forms:

• redˈly adverb

• redˈness noun