blue

adjective
\ ˈblü How to pronounce blue (audio) \
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 US politics : tending to support Democratic candidates or policies As has become increasingly clear over the past few general elections, with their red states and blue states, an American Presidential campaign is no longer truly national.— Hendrik Hertzberg — compare purple sense 3, red sense 5
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

Patriotic Crafts, Make & Take: Wednesday, July 3, 10:30 a.m. to 12:30 p.m. Celebrate Independence Day with a few red, white and blue crafts. courant.com, "Community News For The Enfield Edition," 19 June 2019 The Queen, who wore a blue coat and matching flower hat by Angela Kelly, hosted King Willem-Alexander and Queen Maxima of the Netherlands in her lead carriage that processed onto the course. Simon Perry, PEOPLE.com, "Kate Middleton (and Her Flower Hat!) Lights up Royal Ascot Alongside Prince William and the Queen," 18 June 2019 All finishers will receive a shirt, an American flag and a red, white and blue popsicle. Kathleen Christiansen, orlandosentinel.com, "4th of July 5Ks and fun runs offer patriotic workouts, help charities," 17 June 2019 One morning, Rodríguez dressed Daniel, who was seven at the time, in a comfy blue track suit and stuffed his baby blanket under his arm. Sarah Stillman, The New Yorker, "How Families Separated at the Border Could Make the Government Pay," 15 June 2019 Join in by flying the red, white and blue outside your home. Erin Davis And Brandon Griggs, CNN, "Here are 5 ways to show your patriotism on Flag Day 2019," 14 June 2019 Sources close to Curry’s stylist Sheraine Robinson had indicated earlier that Curry would likely wear an indigo blue denim suit: The all white, summer-appropriate suiting was a startling departure. Tony Bravo, SFChronicle.com, "Warriors’ Stephen Curry skips ‘gold carpet,’ makes Game 6 fashion statement," 13 June 2019 Their red, white, and blue chutes circle over the flaming forest like tiny moths riding the drafts above a campfire, each man deftly maneuvering his wing in the wind. Mark Jenkins, National Geographic, "When wildfires break out, this elite team of ‘smokejumpers’ parachute in," 12 June 2019 Stade Auguste-Delaune in Reims was filled with red, white and blue. San Diego Union-Tribune, "Column: For U.S. women’s soccer team, problem is less the 13 goals than the 13 celebrations," 12 June 2019

Recent Examples on the Web: Noun

Music of many genres — ranging from big bands and classic rock to oldies and blues and everything in between — will be performed at various venues, including parks, community gazebos and beachfront properties. San Diego Union-Tribune, "Free outdoor concerts kick-off summer season throughout San Diego County," 20 June 2019 Singer and guitarist Bo Diddley helped bridge the blues and rock ’n’ roll. USA TODAY, "Mowing quest, mayo man, soybean scare: News from around our 50 states," 17 June 2019 In addition to the plentiful blues and barbecue, there will also be craft beers, soft drinks as well as ice cream from Ben & Jerry’s for sale in the park. John Adamian, courant.com, "The tradition of Black-Eyed and Blues Fest: Chow down and soak up the tunes," 14 June 2019 But the trio of artists at Wednesday’s fund-raiser underline Taylor’s interest in blues and folk artists as well as jazz. Jeremy D. Goodwin, BostonGlobe.com, "Benefit show is a thank-you to Fred Taylor and all that jazz," 13 June 2019 Louisiana blues and Zydeco musician Paul 'Lil Buck’ Sinegal has died, according to a KATC-TV report. Laura Testino, nola.com, "Louisiana musician Paul ‘Lil Buck’ Sinegal has died: report," 10 June 2019 The homeowner's daughter’s room features cool blues and a mural by a local Indian artist, while the master bedroom is a haven of warm shades (think pink!) and floral wallpaper. Samantha Swenson, ELLE Decor, "This is the Most Colorful Apartment You've Ever Seen," 5 June 2019 Jazz, blues and gospel all have strong roots here, and more recently the city has been a hot spot for rap, hip hop and rock music. Meghan Mcmahon, Daily Southtown, "Barney Callaghan's Pub to host Country on Western music fest in Beverly," 3 June 2019 Kate Middleton wore a blue and gold sash, signifying her appointment as Dame Grand Cross of the Royal Victorian Order, to the state dinner honoring the Trumps tonight at Buckingham Palace. Erica Gonzales, Harper's BAZAAR, "Kate Middleton Wears Her Royal Victorian Order Sash for the First Time," 3 June 2019

Recent Examples on the Web: Verb

Give classic orange and blue a dose of edge with abstract prints and a hit of dark à la Samantha Angelo. Laurel Benedum, ELLE Decor, "7 Decadent Rooms Inspired By This Weekend's Chicest Celebrity Outfits," 4 June 2019 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. 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. 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. Sandra Salibian | Wwd, latimes.com, "Designer Jeremy Scott responds to social media controversy about Moschino campaign post," 26 June 2018

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, Noun, and Verb

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

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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

22 Jun 2019

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
literary : the sky or the sea

blue

noun
\ ˈblü How to pronounce blue (audio) \

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 How to pronounce blue (audio) \
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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More from Merriam-Webster on blue

Rhyming Dictionary: Words that rhyme with blue

Thesaurus: All synonyms and antonyms for blue

Spanish Central: Translation of blue

Nglish: Translation of blue for Spanish Speakers

Britannica English: Translation of blue for Arabic Speakers

Comments on blue

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