blue

adjective
\ ˈblü \
bluer; bluest

Definition of blue 

(Entry 1 of 3)

1 : of the color whose hue is that of the clear sky : of the color blue (see blue entry 2 sense 1) a blue jacket her bright blue eyes The house is blue with white shutters.

2a : bluish the blue haze of tobacco smoke

b : discolored by or as if by bruising blue with cold

c : bluish gray a blue cat

3a : low in spirits : melancholy has been feeling blue

b : marked by low spirits : depressing a blue funk things looked blue

4 : wearing blue the blue team

5 of a woman : learned, intellectual … the ladies were very blue and well-informed … —W. M. Thackeray

6 : puritanical … a blue Sunday city … —James Street

7a : profane, indecent a blue movie

b : off-color, risqué blue jokes

8 music : of, relating to, or used in blues (see blues sense 3) a blue song

9 politics : tending to support Democrats in a general election blue states

blue in the face

: extremely exasperated argued until he was blue in the face

blue

noun

Definition of blue (Entry 2 of 3)

1 : a color whose hue is that of the clear sky or that of the portion of the color spectrum lying between green and violet Blue is his favorite color. shades of blue

2a : a pigment or dye that colors blue

b : bluing adding blue to the laundry

3a : blue clothing or cloth will be wearing blue

b blues plural : a blue costume or uniform wearing their dress blues

4a : a Union soldier in the American Civil War

b often capitalized : the Union army the Blue versus the Gray

5a(1) : sky

(2) : the far distance disappeared into the blue

b : sea

6 : a blue object

7 : bluestocking praised the writings of her fellow blues

8 biology : any of numerous small chiefly blue butterflies (family Lycaenidae)

9 : bluefish fishing for blues

11 physics : one of the three colors (see color entry 1 sense 15) that quarks have in the theory of quantum chromodynamics One cannot have a single quark on its own because it would have a color (red, green, or blue). Instead, a red quark has to be joined to a green and a blue quark by a "string" of gluons (red + green + blue = white). Such a triplet constitutes a proton or a neutron. —Stephen Hawking

out of the blue

: without advance notice : unexpectedly the job offer came out of the blue

blue

verb
blued; blueing or bluing; blues

Definition of blue (Entry 3 of 3)

transitive verb

: to make (something) blue in color: such as

a : to dye, tint, or paint (something) blue Last, the generation of the grandmothers, in immaculately blued hair… —John Updike Tattoos blued his upper arms. —Jerry Spinelli

b : to heat (iron or steel) to about 550 to 600 degrees Fahrenheit so that it acquires a protective bluish coating the blued barrel of the gun Between banks shrouded with snow, the river gleamed darkly, like blued steel with gold chips of sunlight dancing on each riffle. —Pete Bodo

intransitive verb

: to turn blue their blueing fingers

blue the air
informal

: to curse angrily He sliced the air with his fists and blued the air with his mouth. —Steve Kelley I have been stealing my father's copy (of Massachusetts Wildlife) for a long time, but last week he found an issue on my desk and blued the air a bit. —Stephen King Donovan

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Other words from blue

Adjective

bluely adverb
blueness noun

Examples of blue in a Sentence

Adjective

shocked at the blue banter she heard on that satellite-radio talk show a cold, dreary day always leaves me blue

Noun

Her favorite color is blue. a mixture of blues and greens They sailed off into the blue.
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Recent Examples on the Web: Adjective

Kenol ran two red lights in a light blue Acura before he was boxed in by traffic and a police cruiser pursuing him. Lucas Phillips, BostonGlobe.com, "In separate Worcester attacks, suspect allegedly shoots at bicyclist, and man is wounded in back," 14 July 2018 One shower is gray stone against vibrant blue tile — Lions colors. Judy Rose, Detroit Free Press, "Former Corktown bachelor pad is now a loft fit for the whole family," 14 July 2018 One stretch of the embankment along the river likely to draw visitors, which had been surrounded by a blue fence for years, was finally refurbished. Ivan Nechepurenko, New York Times, "Peeking Around Corners in the World Cup’s Provincial Cities," 14 July 2018 Actress/model Rachel McCord made heads turn on the blue carpet while attending the DailyMail.com and DailyMailTV summer party in West Hollywood. Fox News, "Wardrobe whoopsies: On purpose, or an accident?," 14 July 2018 Her church is decorated with blue and orange banners, boldly represented in adjacent watercolors. George Fishman, miamiherald, "Monarchs ‘Brown and Native’ butterfly exhibit a response to contemporary events," 13 July 2018 Despite the assurances of pundits and pollsters that Wisconsin, which had not gone for a Republican presidential candidate since 1984, was part of Clinton’s impregnable blue wall, Donald Trump carried the state. Glenn C. Altschuler, Philly.com, "'Fall of Wisconsin': Why Dems lose, and keep on losing," 13 July 2018 Attract blue-chip funds, such as Baillie Gifford in Scotland or GIC in Singapore, to act as anchor investors. The Economist, "Life as you know it is IPOver," 12 July 2018 Today, remnants of twin temples—to the north, a blue one dedicated to the Aztec rain god Tláloc, and to the south, a red one dedicated to the Aztec sun god Huitzilopochtli—still top the pyramid’s central platform, joined by parallel staircases. Meilan Solly, Smithsonian, "Earthquake Reveals 12th-Century Temple Hidden Within Aztec Pyramid," 12 July 2018

Recent Examples on the Web: Noun

To continue reading this story, TRY IT NOW With a smooth, steady lifting of the rod and a quick snap of the wrist, the chunky blue was hooked, played and landed on its final journey as the guest of honor at a fish fry. Ralph Winingham, San Antonio Express-News, "Hot weather cats: Choke Canyon angling kicks into summer mode," 5 July 2018 Artists such as Syleena Johnson, daughter of blues singer Syl Johnson, will perform, as well as newer acts such as Sam Trump and Isaiah Sharkey. Morgan Smith, chicagotribune.com, "Navy Pier hosts first annual Chi-Soul Fest," 27 June 2018 Half a century after its creation, prog — as it’s also called — is still a singular musical beast that draws from classical music nearly as much as rock and generally eschews even a hint of the blues. George Varga, sandiegouniontribune.com, "Yes, meet Yes! A year after Rock Hall of Fame induction, two bands embark on Yes 50th anniversary tours," 23 June 2018 July 26 at Harlow's Island vibe soul and a tropical storm of sweltering blues, Hawaii's Ron Artis II & the Truth has the makings of Leon Bridges-level breakout stardom. Aaron Davis, sacbee, "Owlfest gathering in Grass Valley pays tribute to Tom Petty," 21 June 2018 Take in the smooth sounds of blues while strolling through a cloud of sweet pit barbecue smoke on your way to the brews tasting area to sample a number of craft beers. The Courier-Journal, "Win Tickets to Blues, Brews & BBQ Fest," 19 June 2018 Italian television star Michelle Hunziker hosted the event, which included a performance by Italian blues singer Zucchero Fornaciari. Gene Sloan, USA TODAY, "Fast-growing MSC Cruises unveils third new ship in a year, MSC Seaview," 11 June 2018 Robert Plant & the Sensational Space Shifters The once-and-forever Led Zep frontman (yep, that guy) performs a few generations’ worth of music, from Zeppelin classics to the eclectic mix of blues, bluegrass and country of his current group. Chris Kaltenbach, baltimoresun.com, "Pride, Snow Tha Product and Robert Plant — the best of this week's arts and entertainment scene in Baltimore," 10 June 2018 But before the golfing world turns its eyes to the Hamptons and Shinnecock Hills for the sport's toughest test, the PGA Tour stops in the home of the blues for the FedEx St. Jude Classic. Daniel Rapaport, SI.com, "FedEx St. Jude Classic Preview: History, Field, Odds, Predictions," 6 June 2018

Recent Examples on the Web: Verb

Stop painting the same models blue and calling it revolutionary. Sandra Salibian | Wwd, latimes.com, "Designer Jeremy Scott responds to social media controversy about Moschino campaign post," 26 June 2018 Stop painting the same models blue and calling it revolutionary. Sandra Salibian | Wwd, latimes.com, "Designer Jeremy Scott responds to social media controversy about Moschino campaign post," 26 June 2018 Stop painting the same models blue and calling it revolutionary. refinery29.com, "Gigi Hadid Is An 'Illegal Alien' In New Fashion Ad – & People Are Not Happy," 27 June 2018 The lights on the Empire State Building, which had been red, white, and blue for Election Day, slowly shifted until only blue remained. Lauren Le Vine, Redbook, "Who Won the 2012 Election? Women," 6 Nov. 2012 Because green and blue make up a large part of the visible rainbow, removing these colors leaves us with a pretty bland looking version. Megan Arnett, Scientific American, "Make Your Own Rainbow," 26 Apr. 2018 How can seemingly blue ocean water run clear in her hands? Susan Faust, San Francisco Chronicle, "Roundup of new children’s books, March 25," 22 Mar. 2018 Nominees for contemporary blues female artist include Shemekia Copeland, a New York native who has a following in Houston due in part to her father blues great Johnny Copeland, who started playing in Houston in the mid-1950s. Andrew Dansby, Houston Chronicle, "Houston women get Blues Award nominations," 11 Jan. 2018 The majority of it, however, was specked with red SALE signs, noting that the red, white, and blue a-line miniskirt was 40 percent off (from $80 to $53.40) and white sculpting mid-rise skinny jeans (from $89 to $36.60). Emily Jane Fox, vanityfair.com, "Fear and Loathing in Bedminster: On the Ground in the Quiet, Bucolic Town Where Donald Trump Is Toying with Blowing Up the World," 10 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blue.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blue

Adjective

13th century, in the meaning defined at sense 1

Noun

14th century, in the meaning defined at sense 1

Verb

1606, in the meaning defined at transitive sense

History and Etymology for blue

Adjective

Middle English, from Anglo-French blef, blew, of Germanic origin; akin to Old High German blāo blue; akin to Latin flavus yellow

Noun

see blue entry 1

Verb

see blue entry 1

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Learn More about blue

Dictionary Entries near blue

blude

bludge

bludgeon

blue

blue acara

blue agave

blue alert

Statistics for blue

Last Updated

14 Sep 2018

Look-up Popularity

Time Traveler for blue

The first known use of blue was in the 13th century

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More Definitions for blue

blue

adjective

English Language Learners Definition of blue

 (Entry 1 of 2)

: having the color of the clear sky

: sad or unhappy

blue

noun

English Language Learners Definition of blue (Entry 2 of 2)

: the color of the clear sky

the blue : the sky or the sea

blue

noun
\ ˈblü \

Kids Definition of blue

 (Entry 1 of 2)

1 : the color of the clear daytime sky

2 : blue clothing or cloth

out of the blue

: suddenly and unexpectedly

Other words from blue

bluish adjective

blue

adjective
bluer; bluest

Kids Definition of blue (Entry 2 of 2)

1 : of the color of the sky : of the color blue blue ink

2 : sad sense 1 Why are you so blue?

blue

adjective
\ ˈblü \
bluer; bluest

Medical Definition of blue 

(Entry 1 of 2)

: of the color blue

blue

noun

Medical Definition of blue (Entry 2 of 2)

1 : a color whose hue is that of the clear sky or that of the portion of the color spectrum lying between green and violet

2 : a pigment or dye that colors blue — see prussian blue

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Comments on blue

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