red

1 red /ˈrɛd/ adjective
redder; reddest
1 red
/ˈrɛd/
adjective
redder; reddest
Britannica Dictionary definition of RED
[also more red; most red]
1 
: having the color of blood
2 
: reddish brown or reddish orange in color
3 
of a person's face : pink because of embarrassment, anger, etc.
4 
of eyes : having many red lines from lack of sleep, drunkenness, etc. : bloodshot
5 
somewhat old-fashioned, informal + disapproving : supporting Communism : communist

a red rag to a bull

British, informal
: something that makes a person very angry

not one red cent

— see cent

paint the town red

— see 2paint

— redness

/ˈrɛdnəs/ noun [noncount]
2 red /ˈrɛd/ noun
plural reds
2 red
/ˈrɛd/
noun
plural reds
Britannica Dictionary definition of RED
1 
: the color of blood
[noncount]
[count]
— see color picture on this page
2 
[count, noncount] : red wine
3 
Red [count] somewhat old-fashioned, informal + disapproving : a Communist or someone who supports Communists

in the red

: spending and owing more money than is being earned
— compare in the black at 2black

see red

informal
: to become very angry