blue

Etymology 1
From, from , from , from , , , from (perhaps through a ,  attested from Isidore of Seville), from , from. Cognate with dialectal English, 🇨🇬, , 🇨🇬, , 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬 and 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬. Doublet of.

Possibly related also to, from 🇨🇬; but direct derivatives of in Old English include: 🇨🇬 and , 🇨🇬,. There seems to be a parallel connection in Germanic between words for blue and colour, dually exemplified by and ; and  and.

The sense "obscene, pornographic" is apparently from the colour; various theories exist as to how it arose, including that it is from the colour of the envelopes used to contain missives of the censors and managers to vaudevillian performers on objectionable material from their acts that needed to be excised.

Adjective

 * 1) Of a blue hue.
 * 2)  Depressed, melancholic, sad.
 * 3) Having a bluish or purplish shade of the skin due to a lack of oxygen to the normally deep red red blood cells; cyanotic.
 * 4)  Pale, without redness or glare.
 * 5)  Supportive of, run by (a member of), pertaining to, or dominated by a political party represented by the colour blue.
 * 6)  Supportive of, run by (a member of), pertaining to, or dominated by the Democratic Party.
 * 7)  Supportive of or related to the Liberal Party.
 * 8)  Supportive of or related to the Conservative Party.
 * 9)  Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant in the specific observation.
 * 10)  Extra rare; left very raw and cold.
 * 11)  Having a coat of fur of a slaty gray shade.
 * 12)  Severe or overly strict in morals; gloomy.
 * 13)  Literary; scholarly; bluestockinged.
 * 14)  Having a color charge of blue.
 * 15)  Risqué; obscene; profane; pornographic.
 * 1)  Supportive of or related to the Liberal Party.
 * 2)  Supportive of or related to the Conservative Party.
 * 3)  Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant in the specific observation.
 * 4)  Extra rare; left very raw and cold.
 * 5)  Having a coat of fur of a slaty gray shade.
 * 6)  Severe or overly strict in morals; gloomy.
 * 7)  Literary; scholarly; bluestockinged.
 * 8)  Having a color charge of blue.
 * 9)  Risqué; obscene; profane; pornographic.
 * 1)  Literary; scholarly; bluestockinged.
 * 2)  Having a color charge of blue.
 * 3)  Risqué; obscene; profane; pornographic.
 * 1)  Risqué; obscene; profane; pornographic.

Synonyms

 * , ; see also Thesaurus:pornographic
 * , ; see also Thesaurus:pornographic

Noun

 * 1)  The colour of the clear sky or the deep sea which is midway between green and cyan in the visible spectrum and one of the primary additive colours.
 * 2) Anything coloured blue, especially to distinguish it from similar objects differing only in color.
 * I don't like red Smarties. Have you got a blue?
 * 1) A blue dye or pigment.
 * 2)  Blue clothing.
 * The boys in blue marched to the pipers.
 * 1)  A blue uniform. See.
 * 2) A member of a sports team that wears blue colours;  a nickname for the team as a whole. See also blues.
 * Come on, you blues!
 * 1)  An umpire, in reference to the typical dark blue color of the umpire's uniform. Sometimes perceived by umpires as derogatory when used by players or coaches while disputing a call.
 * He was safe! Terrible call, blue!
 * 1) Sporting colours awarded by a university or other institution for sporting achievement, such as representing one's university, especially and originally at Oxford and Cambridge Universities in England. See also full blue, half blue.
 * He excelled at rowing and received a blue in the sport at Oxford.
 * 1) A person who has received such sporting colours.
 * He was a blue in rugby at Cambridge.
 * 1)  A member of law enforcement.
 * 2)  A bluestocking.
 * 3) The sky, literally or figuratively.
 * The balloon floated up into the blue.
 * His request for leave came out of the blue.
 * 1) The ocean; deep waters.
 * 2) The far distance; a remote or distant place.
 * 3) A dog or cat with a slaty gray coat.
 * 4)  One of the colour balls used in snooker, with a value of five points.
 * 5)   Any of the butterflies of the subfamily  in the family, most of which have blue on their wings.
 * 6) A bluefish.
 * 7)  An argument or brawl.
 * 8) * 2004,, The Turning (short stories), Picador UK Paperback edition 2006. Short story, 'Small Mercies'  (at p.91):
 * "I had a blue with Dad," said Fay. "He wanted to drive us, I wanted to walk."
 * 1)  A liquid with an intense blue colour, added to a laundry wash to prevent yellowing of white clothes.
 * 2) Any of several processes to protect metal against rust.
 * 3)  A type of firecracker.
 * 4)  One of the three color charges for quarks.
 * 5)  A member or supporter of the Conservative Party.
 * He is a true blue.
 * 1) A blue cheese.
 * 2) * 2012, Culture Magazine, ‎Laurel Miller, ‎Thalassa Skinner, Cheese For Dummies (page 55)
 * Blues are made via the introduction of molds from the genus Penicillum roqueforti, which are normally added to the milk toward the beginning of the cheesemaking process.
 * 1)  Risqué or pornographic material.
 * 1)  A liquid with an intense blue colour, added to a laundry wash to prevent yellowing of white clothes.
 * 2) Any of several processes to protect metal against rust.
 * 3)  A type of firecracker.
 * 4)  One of the three color charges for quarks.
 * 5)  A member or supporter of the Conservative Party.
 * He is a true blue.
 * 1) A blue cheese.
 * 2) * 2012, Culture Magazine, ‎Laurel Miller, ‎Thalassa Skinner, Cheese For Dummies (page 55)
 * Blues are made via the introduction of molds from the genus Penicillum roqueforti, which are normally added to the milk toward the beginning of the cheesemaking process.
 * 1)  Risqué or pornographic material.
 * He is a true blue.
 * 1) A blue cheese.
 * 2) * 2012, Culture Magazine, ‎Laurel Miller, ‎Thalassa Skinner, Cheese For Dummies (page 55)
 * Blues are made via the introduction of molds from the genus Penicillum roqueforti, which are normally added to the milk toward the beginning of the cheesemaking process.
 * 1)  Risqué or pornographic material.

Verb

 * 1)   To make or become blue; to turn blue.
 * 2)  To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.
 * 3)  To brighten by treating with blue (laundry aid).
 * 4)  To fight, brawl, or argue.
 * 1)  To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.
 * 2)  To brighten by treating with blue (laundry aid).
 * 3)  To fight, brawl, or argue.
 * 1)  To fight, brawl, or argue.

Etymology 2

 * possibly from blew (past tense of blow).

Verb

 * 1)  To spend (money) extravagantly; to blow.

Adverb

 * 1) bluely