Definition of "Red" :
noun: red color or pigment; the chromatic color resembling the hue of blood
noun: a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana
noun: emotionally charged terms used to refer to extreme radicals or revolutionaries
noun: the amount by which the cost of a business exceeds its revenue
"The company operated in the red last year."
adjective: characterized by violence or bloodshed
"Convulsed with red rage."
adjective: of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
adjective: (especially of the face) reddened or suffused with or as if with blood from emotion or exertion
"Turned red from exertion."