red

1. (n) (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. 2. (n) (countable and uncountable) Red wine. 3. (n) (countable) Any of several varieties of ale which are brewed with red or kilned malt, giving the beer a red colour. 4. (n) (countable) A revolutionary socialist or (most commonly) a Communist; (usually capitalized) a Bolshevik, a supporter of the Bolsheviks in the Russian Civil War. 5. (adj) (politics, often capitalized) Supportive of, related to, or dominated by a political party or movement represented by the color red: 6. (adj) Left-wing parties and movements, chiefly socialist or communist, including the U.K. Labour party and the Social Democratic Party of Germany. 7. (adj) (US politics) The U.S. Republican Party. 8. (n) (countable, snooker) One of the 15 red balls used in snooker, distinguished from the colours. 9. (n) (countable, informal) A red variety of an animal, such as a red kangaroo or a red squirrel. 10. (n) (countable, informal, UK, birdwatching) A redshank. 11. (n) (informal) A red light (a traffic signal) 12. (n) (US, colloquial, uncountable) Chili con carne (usually in the phrase "bowl of red"). 13. (n) (slang, uncountable) Tomato ketchup. 14. (adj) Of a red hue. 15. (adj) (of hair) Having an orange-brown or orange-blond colour; ginger. 16. (adj) (of the skin) Having a redder hue than usual due to embarrassment, anger, sunburn, etc.; flushed. 17. (adj) (of a dog or its coat) Having a brown color. 18. (adj) (card games, of a card) Of the hearts or diamonds suits. Compare black (“of the spades or clubs suits”) 19. (n) (particle physics) One of the three color charges for quarks. 20. (adj) (astronomy) Of the lower-frequency region of the (typically visible) part of the electromagnetic spectrum which is relevant in the specific observation. 21. (adj) (particle physics) Of a red color charge. 22. (n) (slang) The drug secobarbital; a capsule of this drug. 23. (n) (Ireland, UK, beverages, informal) Red lemonade 24. (n) (derogatory, offensive) An American Indian. 25. (n) (informal) The redfish or red drum, Sciaenops ocellatus, a fish with reddish fins and scales. 26. (adj) (chiefly derogatory, offensive) Amerind; relating to Amerindians or First Nations. 27. (n) A nickname given to someone who has or had red hair. 28. (n) A Communist. 29. (adj) Communist. 30. (n) A supporter of a sports team who wears red as part of their kit. 31. (adj) (on government documents) red (hair color). 32. (v) Alternative spelling of redd. [(obsolete) To free from entanglement.] 33. (n) Acronym of reverse electrodialysis. [The salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water.]