From WordNet (r) 3.0 (2006):
blue adj 1: of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky; "October's bright blue weather"- Helen Hunt Jackson; "a blue flame"; "blue haze of tobacco smoke" [syn: blue, bluish, blueish] 2: used to signify the Union forces in the American Civil War (who wore blue uniforms); "a ragged blue line" 3: filled with melancholy and despondency ; "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood"; "lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted" [syn: gloomy, grim, blue, depressed, dispirited, down(p), downcast, downhearted, down in the mouth, low, low-spirited] 4: characterized by profanity or cursing; "foul-mouthed and blasphemous"; "blue language"; "profane words" [syn: blasphemous, blue, profane] 5: suggestive of sexual impropriety; "a blue movie"; "blue jokes"; "he skips asterisks and gives you the gamy details"; "a juicy scandal"; "a naughty wink"; "naughty words"; "racy anecdotes"; "a risque story"; "spicy gossip" [syn: blue, gamy, gamey, juicy, naughty, racy, risque, spicy] 6: belonging to or characteristic of the nobility or aristocracy; "an aristocratic family"; "aristocratic Bostonians"; "aristocratic government"; "a blue family"; "blue blood"; "the blue-blooded aristocracy"; "of gentle blood"; "patrician landholders of the American South"; "aristocratic bearing"; "aristocratic features"; "patrician tastes" [syn: aristocratic, aristocratical, blue, blue-blooded, gentle, patrician] 7: morally rigorous and strict; "the puritan work ethic"; "puritanic distaste for alcohol"; "she was anything but puritanical in her behavior" [syn: blue(a), puritanic, puritanical] 8: causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather" [syn: blue, dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary] n 1: blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue" [syn: 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" [syn: blue sky, blue, blue air, wild blue yonder] 5: used to whiten laundry or hair or give it a bluish tinge [syn: bluing, blueing, blue] 6: the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic [syn: amobarbital sodium, blue, blue angel, blue devil, Amytal] 7: any of numerous small butterflies of the family Lycaenidae v 1: turn blue