Definition of "red"
red1
/ɹɛd/
adjective
comparative redder or more red, superlative reddest or most red
noun
countable and uncountable, plural reds
(countable and uncountable) Any of a range of colours having the longest wavelengths, 670 nm, of the visible spectrum; a primary additive colour for transmitted light: the colour obtained by subtracting green and blue from white light using magenta and yellow filters; the colour of blood, ripe strawberries, etc.
red3
/ɹɛd/
verb
third-person singular simple present reds, present participle redding, simple past and past participle redded