Definition of Blue
1. Noun. Blue color or pigment; resembling the color of the clear sky in the daytime. "He had eyes of bright blue"
Generic synonyms: Chromatic Color, Chromatic Colour, Spectral Color, Spectral Colour
Specialized synonyms: Azure, Cerulean, Lazuline, Sapphire, Sky-blue, Powder Blue, Steel Blue, Prussian Blue, Dark Blue, Navy, Navy Blue, Aqua, Aquamarine, Cobalt Blue, Greenish Blue, Peacock Blue, Turquoise, Purplish Blue, Royal Blue, Ultramarine
2. Verb. Turn blue.
3. Adjective. Of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky. "Blue haze of tobacco smoke"
4. Noun. Blue clothing. "She was wearing blue"
5. Adjective. Used to signify the Union forces in the American Civil War (who wore blue uniforms). "A ragged blue line"
6. Noun. Any organization or party whose uniforms or badges are blue. "The Union army was a vast blue"
7. Adjective. Filled with melancholy and despondency. "Feeling discouraged and downhearted"
Similar to: Dejected
Derivative terms: Dispiritedness, Downheartedness, Gloominess, Gloominess, Lowness, Low-spiritedness
8. Noun. The sky as viewed during daylight. "He shot an arrow into the blue"
9. Adjective. Characterized by profanity or cursing. "Profane words"
Similar to: Dirty
Derivative terms: Blasphemy, Profaneness, Profanity
10. Noun. Used to whiten laundry or hair or give it a bluish tinge.
11. Adjective. Suggestive of sexual impropriety. "Spicy gossip"
Similar to: Sexy
Derivative terms: Gaminess, Raciness, Spiciness
12. Noun. The sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic.
13. Adjective. Belonging to or characteristic of the nobility or aristocracy. "Patrician tastes"
Similar to: Noble
Derivative terms: Aristocracy, Aristocracy, Aristocrat, Gentility, Patrician, Patrician
14. Noun. Any of numerous small butterflies of the family Lycaenidae.
15. Adjective. Morally rigorous and strict. "She was anything but puritanical in her behavior"
Similar to: Nonindulgent, Strict
Derivative terms: Puritan, Puritan, Puritan, Puritanism
16. Adjective. Causing dejection. "Grim rainy weather"
Similar to: Cheerless, Depressing, Uncheerful
Derivative terms: Dreariness
Definition of Blue
1. a. 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.
2. n. 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. Sometimes, poetically, the sky.
3. v. t. To make blue; to dye of a blue color; to make blue by heating, as metals, etc.
Definition of Blue
1. Proper noun. (surname from=German) An anglicization of (etyl de) (term Blau lang=de). ¹
2. Proper noun. (qualifier rare) (English female given name), typically used in conjoined names like Bonnie Blue or Blue Bell. ¹
3. Proper noun. A male nickname, occasionally used as a formal given name. ¹
4. Adjective. Having a bluish colour shade. ¹
5. Adjective. (informal) Depressed, melancholic, sad. ¹
6. Adjective. (context: entertainment informal) Pornographic or profane. ¹
7. Adjective. (US politics) Supportive of, run by, pertaining to, or dominated by a political party represented by the colour blue. (e.g. The Conservatives, the Democrats) ¹
8. Adjective. (astronomy) Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant in the specific observation. ¹
9. Adjective. (context: of steak) Extra rare; left very raw and cold. ¹
10. Adjective. (context: of a dog) Possessing a coat of fur that is a shade of gray ¹
11. Noun. The colour of the clear sky or the deep sea, between green and violet in the visible spectrum, and one of the primary additive colours for transmitted light; the colour obtained by subtracting red and green from white light using magenta and cyan filters; or any colour resembling this. ¹
12. Noun. A blue dye or pigment. ¹
13. Noun. Bluing. ¹
14. Noun. Blue clothing ¹
15. Noun. (plural) A blue uniform. See blues. ¹
16. Noun. The sky, literally or figuratively. ¹
17. Noun. The ocean; deep waters. ¹
18. Noun. Anything blue, especially to distinguish it from similar objects differing only in color. ¹
19. Noun. (context: snooker) One of the colour balls used in snooker with a value of 5 points. ¹
20. Noun. Any of the blue-winged butterflies of the subfamily Polyommatinae in the family Lycaenidae. ¹
21. Noun. A bluefish. ¹
22. Noun. (Australia colloquial) An argument. ¹
23. Noun. A liquid with an intense blue colour, added to a laundry wash to prevent yellowing of white clothes. ¹
24. Noun. (British) a type of firecracker ¹
25. Verb. (ergative) To make or become blue. ¹
26. Verb. (transitive) (context: metallurgy) To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust. ¹
27. Verb. (transitive slang) To spend (money) extravagantly; to blow. ¹
¹ Source: wiktionary.com
Definition of Blue
1. having the color of the clear sky [adj BLUER, BLUEST] / to make blue [v BLUED, BLUEING or BLUING, BLUES] - See also: blue
Medical Definition of Blue
1. 1. Having the colour 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." 2. Pale, without redness or glare, said of a flame; hence, of the colour of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths. 3. Low in spirits; melancholy; as, to feel blue. 4. Suited to produce low spirits; gloomy in prospect; as, thongs looked blue. 5. 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. 6. Literary; applied to women; an abbreviation of bluestocking. "The ladies were very blue and well informed." (Thackeray) Blue asbestus. See Crocidolite. Blue black, of, or having, a very dark blue colour, almost black. Blue blood. See Blood. Blue buck, sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, etc. Blue water, the open ocean. To look blue, to look disheartened or dejected. True blue, genuine and thorough; not modified, nor mixed; not spurious; specifically, of uncompromising Presbyterianism, blue being the colour adopted by the Covenanters. "For his religion . . . 'T was Presbyterian, true blue." (Hudibras) Origin: OE. Bla, blo, blew, blue, Sw. Bl, D. Blauw, OHG. Blo, G. Blau; but influenced in form by F. Bleu, from OHG. Blao. 1. One of the seven colours into which the rays of light divide themselves, when refracted through a glass prism; the colour of the clear sky, or a colour resembling that, whether lighter or darker; a pigment having such colour. Sometimes, poetically, the sky. 2. A pedantic woman; a bluestocking. 3. [Short for blue devils] Low spirits; a fit of despondency; melancholy. Berlin blue, Prussian blue. Mineral blue. See Mineral. Prussian blue. See Prussian. Source: Websters Dictionary (01 Mar 1998)