Etymology : Middle English, from Old French blou, of Germanic origin; akin to Old High German blAo blue; akin to Latin flavus yellow
Pronunciation : blü
Function : adjective
Date : 13th century
1. color blue, color of the sky or sea. paint blue; treat with bluing (substance used to whiten clothes); waste money, spend extravagantly (Slang). having a blue color; sad, depressed (slang). sad, depressed, down, low """Are you blue, Dear?"" ""Yes. Jack left me.""". blue\blue\ , a. [compar. bluer ; superl. bluest.] [oe. bla, blo, blew, blue, sw. bl , d. blauw, ohg. bl o, g. blau; but influenced in form by f. bleu, from ohg. blāo.].
2. having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets. "the blue firmament.".
3. pale, without redness or glare, -- said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
4. low in spirits; melancholy; as, to feel blue.
5. suited to produce low spirits; gloomy in prospect; as, thongs looked blue. [colloq.].
6. severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
7. literary; -- applied to women; -- an abbreviation of bluestocking. [colloq.] the ladies were very blue and well informed.blue asbestus. see:
crocidolite.blue black, of, or having, a very dark blue color, almost black.blue blood. see:
under blood.blue buck (zo?l.), a small south african antelope (cephalophus pygm?us); also applied to a larger species (?goceras leucoph?us); the blaubok.blue cod (zo?l.), the buffalo cod.blue crab (zo?l.), the common edible crab of the atlantic coast of the united states (callinectes hastatus).blue curls (bot.), a common plant (trichostema dichotomum), resembling pennyroyal, and hence called also bastard pennyroyalblue devils, apparitions supposed to be seen by persons suffering with delirium tremens; hence, very low spirits. "can gumbo shut the hall door upon blue devils, or lay them all in a red sea of claret?"blue gage. see:
under gage, a plum.blue gum, an australian myrtaceous tree (eucalyptus globulus), of the loftiest proportions, now cultivated in tropical and warm temperate regions for its timber, and as a protection against malaria. the essential oil is beginning to be used in medicine. the timber is very useful. see:
eucalyptus.blue jack,blue stone, blue vitriol; sulphate of copper.blue jacket, a man-of war's man; a sailor wearing a naval uniform.blue jaundice. see:
under jaundice.blue laws, a name first used in the eighteenth century to describe certain supposititious laws of extreme rigor reported to have been enacted in new haven; hence, any puritanical laws. [u. s.]blue light, a composition which burns with a brilliant blue flame; -- used in pyrotechnics and as a night signal at sea, and in military operations.blue mantle (her.), one of the four pursuivants of the english college of arms; -- so called from the color of his official robes.blue mass, a preparation of mercury from which is formed the blue pill.blue mold, or mould, the blue fungus (aspergillus glaucus) which grows on cheese.blue monday, a monday following a sunday of dissipation, or itself given to dissipation (as the monday before lent).blue ointment (med.), mercurial ointment.blue peter (british marine), a blue flag with a white square in the center, used as a signal for sailing, to recall boats, etc. it is a corruption of blue repeater, one of the british signal flags.blue pill. (med.) (a) a pill of prepared mercury, used as an aperient, etc. (b) blue mass.blue ribbon. (a) the ribbon worn by members of the order of the garter; -- hence, a member of that order. (b) anything the attainment of which is an object of great ambition; a distincti.
8. Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets.
9. Pale, without redness or glare, said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
10. Low in spirits; melancholy; as, to feel blue.
11. Suited to produce low spirits; gloomy in prospect; as, thongs looked blue.
12. Severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
13. Literary; applied to women; an abbreviation of bluestocking.
14. One of the seven colors into which the rays of light divide themselves, when refracted through a glass prism; the color of the clear sky, or a color resembling that, whether lighter or darker; a pigment having such color.
15. Sometimes, poetically, the sky.
16. A pedantic woman; a bluestocking.
17. Low spirits; a fit of despondency; melancholy.
18. To make blue; to dye of a blue color; to make blue by heating, as metals, etc. any of numerous small chiefly blue butterflies of the family Lycaenidae blue clothing; "she was wearing blue" the color of the clear sky in the daytime; "he had eyes of bright blue" any organization or party whose uniforms or badges are blue; "the Union army was a vast blue" turn blue 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" 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" low in spirits; "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" used to signify the Union forces in the Civil War ; "a ragged blue line" 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".
19. 1. Something that is blue is the colour of the sky on a sunny day. There were swallows in the cloudless blue sky She fixed her pale blue eyes on her father's. colourful blues and reds.
20. The blues is a type of music which was developed by African American musicians in the southern United States. It is characterized by a slow tempo and a strong rhythm.
21. If you have got the blues, you feel sad and depressed. Interfering in-laws are the prime sources of the blues.
22. If you are feeling blue, you are feeling sad or depressed, often when there is no particular reason. There's no earthly reason for me to feel so blue. = down.
23. Blue films, stories, or jokes are about sex. a secret stash of porn mags and blue movies.
24. If something happens out of the blue, it happens unexpectedly. One of them wrote to us out of the blue several years later.
25. blue moon: see:
moon. Any member of the widely occurring lepidopteran family Lycaenidae. Adults, sometimes known as gossamer-winged butterflies, are small and delicate, with a wingspan of 0.75-1.5 in. (18-38 mm). Blues are rapid fliers, and most species have iridescent wings. Larvae are short, broad, and sluglike. Some species secrete honeydew, a sweet by-product of digestion that attracts ants, which stroke the larvae with their legs to stimulate honeydew secretion. blue asbestos blue green algae blue ground The Blue Rider blue crab blue law Blue Mountains Blue Ridge Blue Ridge Mountains blue whale blue butterfly Deep Blue.