The difference between Red and Unred

When used as adjectives, red means having red as its color, whereas unred means not red.

Red is also noun with the meaning: any of a range of colours having the longest wavelengths, 670&nbsp.

check bellow for the other definitions of Red and Unred

Red as an adjective:

Having red as its color.

Examples:

"The girl wore a red skirt."
Red as an adjective (of hair):

Having an orange-brown or orange-blond colour; ginger.

Examples:

"Her hair had red highlights."
Red as an adjective (card games, of a card):

Of the hearts or diamonds suits. Compare

Examples:

"I got two red queens, and he got one of the black queens."
Red as an adjective (often, capitalized):

Supportive of, related to, or dominated by a political party or movement represented by the color red: the U.S. Republican party Left-wing parties and movements, chiefly socialist or communist, including the U.K. Labour party and the Social Democratic Party of Germany.

Examples:

"a red state"

"a red Congress"

"the red-black grand coalition in Germany"
Red as an adjective (chiefly, derogatory, offensive):

Amerind; relating to Amerindians or First Nations
Red as an adjective (astronomy):

Of the lower-frequency region of the (typically visible) part of the electromagnetic spectrum which is relevant in the specific observation.
Red as an adjective (particle physics):

Having a color charge of red.

Red as a noun (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.

Examples:

"color paneF00000"
Red as a noun (countable):

A revolutionary socialist or (most commonly) a Communist; a Bolshevik, a supporter of the Bolsheviks in the Russian Civil War.
Red as a noun (countable, snooker):

One of the 15 red balls used in snooker, distinguished from the colours.
Red as a noun (countable, and, uncountable):

Red wine.
Red as a noun (countable, informal, birdwatching):

A redshank.
Red as a noun (derogatory, offensive):

An Amerind.
Red as a noun (slang):

The drug secobarbital; a capsule of this drug.
Red as a noun (informal):

A red light
Red as a noun (Ireland, UK, beverages, informal):

red lemonade
Red as a noun (particle physics):

One of the three color charges for quarks.
Red as a noun (US, colloquial, uncountable):

chili con carne (usually in the phrase "bowl of red")