blue

[ bloo ]

/ blu /

|||

SEE MORE SYNONYMS FOR blue ON THESAURUS.COM

noun

the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nm.

bluing.

something having a blue color: Place the blue next to the red.

a person who wears blue or is a member of a group characterized by some blue symbol: Tomorrow the blues will play the browns.

(often initial capital letter) a member of the Union army in the American Civil War or the army itself.Compare gray¹(def 13).

bluestocking.

blue ribbon(def 1).

any of several blue-winged butterflies of the family Lycaenidae.

Printing. blueline.

the blue,

the sky.
the sea.
the remote distance: They've vanished into the blue somewhere.

adjective, blu·er, blu·est.

of the color of blue: a blue tie.

(initial capital letter) of or relating to the Union army in the American Civil War.

(of the skin) discolored by cold, contusion, fear, or vascular collapse.

depressed in spirits; dejected; melancholy: She felt blue about not being chosen for the team.

holding or offering little hope; dismal; bleak: a blue outlook.

characterized by or stemming from rigid morals or religion: statutes that were blue and unrealistic.

marked by blasphemy: The air was blue with oaths.

(of an animal's pelage) grayish-blue.

indecent; somewhat obscene; risqué: a blue joke or film.

verb (used with object), blued, blu·ing or blue·ing.

to make blue; dye a blue color.

to tinge with bluing: Don't blue your clothes till the second rinse.

verb (used without object), blued, blu·ing or blue·ing.

to become or turn blue.

Nearby words

blucher, bludge, bludgeon, bludgeoneer, bludger, blue, blue agave, blue alert, blue and the gray, blue army, blue baby

Idioms

blue in the face, exhausted and speechless, as from excessive anger, physical strain, etc.: I reminded him about it till I was blue in the face.

out of the blue, suddenly and unexpectedly: The inheritance came out of the blue as a stroke of good fortune.

Origin of blue

1250–1300; Middle English blewe < Anglo-French blew, bl(i)u, bl(i)ef blue, livid, discolored, Old French blo, blau (French bleu) < Germanic *blǣwaz; compare Old English blǣwen, contraction of blǣhǣwen deep blue, perse (see blae, hue¹), Old Frisian blāw, Middle Dutch blā(u), Old High German blāo (German blau), Old Norse blār

SYNONYMS FOR blue

1 azure, cerulean, sapphire.

14 despondent, unhappy, morose, doleful, dispirited, sad, glum, downcast.

15 gloomy, dispiriting.

16 righteous, puritanical, moral, severe, prudish.

SEE MORE SYNONYMS FOR blue ON THESAURUS.COM

ANTONYMS FOR blue

14 happy.

SEE MORE ANTONYMS FOR blue ON THESAURUS.COM

Related forms

blue·ly, adverbblue·ness, nounhalf-blue, adjectiveun·blued, adjective

Can be confused

blew blue

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blue

Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.
Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
It denotes the person that puts on the badge, puts on the blue uniform, and goes into the streets to put their life at risk.
Cop Families Boo De Blasio at NYPD Graduation|Michael Daly|December 30, 2014|DAILY BEAST
They looked up into the blue sky as the helicopters flew over in a lost man formation.
Choking Back Tears, Thousands of Cops Honor Fallen Officer Ramos|Michael Daly|December 28, 2014|DAILY BEAST
Basosila Botala is wearing a blue rain jacket despite the sweltering heat.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST

In one picture, his head gets ripped off by a blue dragon; in another, he is the blue dragon.
‘All Good Cretins Go to Heaven’: Dee Dee Ramone’s Twisted Punk Paintings|Melissa Leon|December 15, 2014|DAILY BEAST
The fruit of the blue grape is sour and hangs in long, heavy clusters.
On the Trail|Lina Beard and Adelia Belle Beard
It is produced by combining a blue or purple with red when a compound colour is used.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Now there are eleven of them, and their wings shine in the sun like blue steel.
Trans-Himalaya, Vol. 1 (of 2)|Sven Hedin
Excitement, too, had lent a warmer pink to her apple cheeks, and her blue eyes were like deep and hating stars.
McClure's Magazine, Vol. 31, No. 1, May 1908|Various
With no guides but the stars by night and the blue edge of the land by day, there was need for keen eyesight and watchfulness.
Chambers's Journal of Popular Literature, Science, and Art|Various

British Dictionary definitions for blue (1 of 2)

blue

/ (bluː) /

noun

any of a group of colours, such as that of a clear unclouded sky, that have wavelengths in the range 490–445 nanometres. Blue is the complementary colour of yellow and with red and green forms a set of primary coloursRelated adjective: cyanic

a dye or pigment of any of these colours

blue cloth or clothingdressed in blue

a sportsperson who represents or has represented Oxford or Cambridge University and has the right to wear the university colour (dark blue for Oxford, light blue for Cambridge)an Oxford blue
the honour of so representing one's university

British an informal name for Tory

any of numerous small blue-winged butterflies of the genera Lampides, Polyommatus, etc: family Lycaenidae

archaic short for bluestocking

slang a policeman

archery a blue ring on a target, between the red and the black, scoring five points

a blue ball in snooker, etc

another name for blueing

Australian and NZ slang an argument or fighthe had a blue with a taxi driver

Also: bluey Australian and NZ slang a court summons, esp for a traffic offence

Australian and NZ informal a mistake; error

out of the blue apparently from nowhere; unexpectedlythe opportunity came out of the blue

into the blue into the unknown or the far distance

adjective bluer or bluest

of the colour blue

(of the flesh) having a purple tinge, as from cold or contusion

depressed, moody, or unhappy

dismal or depressinga blue day

indecent, titillating, or pornographicblue films

bluish in colour or having parts or marks that are bluisha blue fox; a blue whale

rare aristocratic; noble; patriciana blue family See blue blood

US relating to, supporting, or representing the Democratic PartyCompare red 1 (def. 18)

verb blues, blueing, bluing or blued

to make, dye, or become blue

(tr) to treat (laundry) with blueing

(tr) slang to spend extravagantly or wastefully; squander

Derived Forms

bluely, adverbblueness, noun

Word Origin for blue

C13: from Old French bleu, of Germanic origin; compare Old Norse blār, Old High German blāo, Middle Dutch blā; related to Latin flāvus yellow

British Dictionary definitions for blue (2 of 2)

Blue

Bluey

/ (bluː) /

noun

Australian informal a nickname for a person with red hair

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with blue

blue

In addition to the idioms beginning with blue

blue funk, in a
blue in the face

also see:

between a rock and a hard place (devil and deep blue sea)
black and blue
bolt from the blue
have the blues
into thin air (the blue)
like greased lightning (a blue streak)
once in a blue moon
out of a clear blue sky
talk one's arm off (a blue streak
until blue in the face)

blue

noun

adjective, blu·er, blu·est.

verb (used with object), blued, blu·ing or blue·ing.

verb (used without object), blued, blu·ing or blue·ing.

RELATED CONTENT

RELATED WORDS

Nearby words

Idioms

Origin of blue

SYNONYMS FOR blue

ANTONYMS FOR blue

Related forms

Can be confused

Examples from the Web for blue

British Dictionary definitions for blue (1 of 2)

blue

noun

adjective bluer or bluest

verb blues, blueing, bluing or blued

Derived Forms

Word Origin for blue

British Dictionary definitions for blue (2 of 2)

Blue

Bluey

noun

Idioms and Phrases with blue

blue