of a colour at the end of the spectrum next to orange and opposite violet, as of blood, fire, or rubies

her red lips

the sky was turning red outside

communist or socialist (used especially during the Cold War with reference to the Soviet Union)

the era of nuclear anxiety, the red scare and covert CIA plots

involving bloodshed or violence

red battle stamps his foot and nations feel the shock

(of a Xhosa) coming from a traditional tribal culture

a red Xhosa wife spends several years in her mother-in-law's homestead

red colour or pigment

their work is marked in red by the teacher

a red thing

which dress - the black or the red?

a communist or socialist

the situation of owing money to a bank or making a loss in a business operation

the company was £4 million in the red

moving the health authority out of the red will be a huge challenge

small declines in revenue can soon send an airline plunging into the red