red

1. (countable and uncountable) The colour of the setting sun, blood, and strawberries; the colour which is evoked by the longest visible wavelengths (between about 625–740 nm), and a primary additive colour.Examples: "Red can be seen as hot or angry."; "And although we’ve certainly seen a variety of blue shades — from periwinkle to cobalt and even Dean Cain’s indigo-washed costume from the 1990’s TV show “Lois & Clark” — Superman’s uniform is still instantly recognizable across generations. In fact, there is only one film — Zack Snyder’s 2013 “Man of Steel” — in which Superman does not wear his iconic red belted trunks."; "Red No. 3, red No. 40, blue No. 2 and green No. 3 all have been linked with cancer or tumors in animals. Other sources say red No. 40 and yellow No. 5 and No. 6 contain or may be contaminated with known carcinogens."countableuncountable

2. (countable) A revolutionary socialist or (most commonly) a Communist; (usually capitalized) a Bolshevik, a supporter of the Bolsheviks in the Russian Civil War.countable

3. (countable, snooker) One of the 15 red balls used in snooker, distinguished from the colours.countable

4. (countable and uncountable) Red wine.Examples: "A bottle of red, a bottle of white / It all depends upon your appetite / I'll meet you any time you want / in our Italian restaurant."; "He produced a wine key from his jacket pocket and effortlessly removed the cork from the bottle of red."; "59 sneak in some red Smuggle a bottle of wine, two glasses, and a corkscrew into a long matinee. Red wine is rich in life-extending antioxidants, and the caper will add zest even to a bad movie."countableuncountable

5. (countable) Any of several varieties of ale which are brewed with red or kilned malt, giving the beer a red colour.Examples: "American reds and doppelbocks are heavy lagers as well. It really comes down to how the beer was made. Beyond that, brewers are immensely creative and have developed styles of both ale and lager that run a wide range of attributes."; "No other country has a brewing tradition as richly diverse as that of Belgium, with beers ranging from pleasant pale lagers to wild, winelike Flemish reds and lambics."countable

6. (countable, informal) A red variety of an animal, such as a red kangaroo or a red squirrel.countableinformal