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Adjective: blue (bluer,bluest)  bloo
  1. Of the colour intermediate between green and violet; having a colour similar to that of a clear unclouded sky
    "October's bright blue weather"; "a blue flame"; "blue haze of tobacco smoke";
    - bluish, blueish, bluey
     
  2. Used to signify the Union forces in the American Civil War (who wore blue uniforms)
    "a ragged blue line"
     
  3. Morally rigorous and strict
    "blue laws";
    - puritanic, puritanical
     
  4. [informal] Filled with melancholy and despondency
    "lonely and blue in a strange city";
    - gloomy, grim, depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited
     
  5. [informal] Characterized by profanity or cursing
    "blue language";
    - blasphemous, profane
     
  6. [informal] Suggestive of sexual impropriety
    "a blue movie"; "blue jokes";
    - gamy [N. Amer], gamey [N. Amer], juicy [informal], naughty, racy, risqué, spicy
     
  7. Belonging to or characteristic of the nobility or aristocracy
    "a blue family"; "blue blood"; "the blue-blooded aristocracy";
    - aristocratic, aristocratical, blue-blooded, gentle [archaic], patrician
     
  8. [informal] Causing dejection
    "a blue day";
    - dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary
     
  9. [Brit, informal] Believing in or supporting tenets of the political right
    - rightist, right-wing, Conservative
Noun: blue  bloo
  1. Blue colour or pigment; resembling the colour of the clear sky in the daytime
    "he had eyes of bright blue";
    - blueness
     
  2. Blue clothing
    "she was wearing blue"
     
  3. Any organization or party whose uniforms or badges are blue
    "the Union army was a vast blue"
     
  4. The sky as viewed during daylight
    "he shot an arrow into the blue";
    - blue sky, blue air, wild blue yonder
     
  5. Used to whiten laundry, hair or give it a bluish tinge
    - bluing, blueing
     
  6. The sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
    - amobarbital sodium, blue angel, blue devil, Amytal
     
  7. Any of numerous small butterflies of the family Lycaenidae
     
  8. [Austral, NZ, informal] Someone who has red hair
    - redhead, redheader, red-header, carrottop [informal], ginger [informal]
     
  9. [Austral, NZ, informal] An angry dispute
    "they had a blue";
    - quarrel, wrangle, row[2], words, run-in [informal], dustup [informal], dust-up, bust-up [informal], ding-dong [Brit, informal], barney [Brit, informal], slanging match [Brit, informal]
     
  10. [Austral, NZ, informal] An embarrassing mistake
    - blunder, blooper [N. Amer, informal], bloomer [informal], bungle, pratfall [informal], foul-up, flub [N. Amer, informal], botch, boner [N. Amer, informal], boo-boo [informal], boob [Brit, informal], goof [informal]
Verb: blue  bloo
  1. Turn blue

Sounds like: blew

Derived forms: blues, bluing, blued, bluest, bluer

See also: cheerless, chromatic, dejected, depressing, dirty, noble, nonindulgent, northern, right, sexy [informal], strict, uncheerful

Type of: amobarbital, article of clothing, chromatic color [US], chromatic colour [Brit, Cdn], clothing, color [US], colour [Brit, Cdn], conflict, difference, difference of opinion, discolor [US], discolour [Brit, Cdn], dispute, duds [informal], dye, dyestuff, error, fault, habiliment [archaic], individual, lycaenid, lycaenid butterfly, mistake, mortal, organisation [Brit], organization, person, sky, somebody, someone, soul, spectral color [US], spectral colour [Brit, Cdn], threads [informal], togs [informal], vesture, wear, wearable

Part of: genus Lycaena, Lycaena

Encyclopedia: Blue, Red and Grey