blue (bluː) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) |
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| —n |
| 1. | any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490--445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary coloursRelated: cyanic |
| 2. | a dye or pigment of any of these colours |
| 3. | blue cloth or clothing: dressed in blue |
| 4. | a. a sportsperson who represents or has represented Oxford or Cambridge University and has the right to wear the university colour (dark blue for Oxford, light blue for Cambridge): an Oxford blue |
| | b. the honour of so representing one's university |
| 5. | (Brit) an informal name for Tory |
| 6. | any of numerous small blue-winged butterflies of the genera Lampides, Polyommatus, etc: family Lycaenidae |
| 7. | archaic short for bluestocking |
| 8. | slang a policeman |
| 9. | archery a blue ring on a target, between the red and the black, scoring five points |
| 10. | a blue ball in snooker, etc |
| 11. | another name for blueing |
| 12. | slang (Austral), (NZ) an argument or fight: he had a blue with a taxi driver |
| 13. | slang (Austral), (NZ) Also: bluey a court summons, esp for a traffic offence |
| 14. | informal (Austral), (NZ) a mistake; error |
| 15. | out of the blue apparently from nowhere; unexpectedly: the opportunity came out of the blue |
| 16. | into the blue into the unknown or the far distance |
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| —adj , bluer, bluest |
| 17. | of the colour blue |
| 18. | (of the flesh) having a purple tinge, as from cold or contusion |
| 19. | depressed, moody, or unhappy |
| 20. | dismal or depressing: a blue day |
| 21. | indecent, titillating, or pornographic: blue films |
| 22. | bluish in colour or having parts or marks that are bluish: a blue fox; a blue whale |
| 23. | rare See blue blood aristocratic; noble; patrician: a blue family |
| 24. | (US) Compare red relating to, supporting, or representing the Democratic Party |
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| —vb , bluer, bluest, blues, blueing, bluing, blued |
| 25. | to make, dye, or become blue |
| 26. | (tr) to treat (laundry) with blueing |
| 27. | slang (tr) to spend extravagantly or wastefully; squander |
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| Related: cyanic |
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| [C13: from Old French bleu, of Germanic origin; compare Old Norse blār, Old High German blāo, Middle Dutch blā; related to Latin flāvus yellow] |
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| 'bluely |
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| —adv |
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| 'blueness |
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| —n |