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

The unique jersey combines elements from Kosovo’s blue home shirt, yellow away shirt and black third shirt to produce a striking design. SI.com, "Kosovo to Wear Special Edition Kit for Euro 2020 Qualifier Against England," 10 Sep. 2019 At the time of the rape, he was described as wearing a navy blue T-shirt and black shorts. Colleen Shalby, Los Angeles Times, "Cal State Fullerton police search for suspected rapist," 10 Sep. 2019 Cameron, 26, appeared more casual in light denim jeans (rolled at the cuff), and a short-sleeve light blue button-down shirt with a checkered pattern. Dave Quinn, PEOPLE.com, "Gigi Hadid and Tyler Cameron Both Attend Tommy Hilfiger Fashion Show After Trip to the Netherlands," 9 Sep. 2019 Under the glow of the pink, blue, and golden lights of the venue, their melanin-rich skin looked as radiant as ever, reminding us that with or without enhancement, Black beauty rocks. Shalwah Evans, Essence, "Beauty Looks From The Women Who Attended SEPHORiA House Of Beauty," 9 Sep. 2019 The changes in culture and politics in that time have left an election map that is full of communities that are either deep red or deep blue, with little room for the political space between. Dante Chinni, NBC News, "Election maps show "middle ground" communities are disappearing," 8 Sep. 2019 The coastal zone, in blue, would trigger scrutiny from the California Coastal Commission. Hillary Davis, Daily Pilot, "Land-use restrictions play into Newport Beach homeless shelter search," 8 Sep. 2019 This Labor Day weekend found him in a blue 1979 Whalers T-shirt, shorts and flip-flops, no games to cover, no show to prepare for, more time on the shoreline, for his wife, Sue, and daughter, Gianna, a senior at Quinnipiac. Dom Amore, courant.com, "Dom Amore: After 30 years at Fox61, Rich Coppola exhales and looks to write the next chapter," 2 Sep. 2019 The master was in a playful spirit, upbeat but casual in jeans, thin leather jacket and a blue T-shirt bearing the logo of his studio, Kojima Productions. Scott Roxborough, The Hollywood Reporter, "Hideo Kojima Explains 'Death Stranding' (Sort Of)," 23 Aug. 2019

Recent Examples on the Web: Noun

The two men, who weren’t traveling together and didn’t know each other, say a uniformed airline employee approached them out of the blue and peppered them with an odd series of questions. Ellen Mcgirt, Fortune, "Joi Ito Resigns as Director of the M.I.T. Media Lab: raceAhead," 9 Sep. 2019 The Klan’s protest the week before, replete with white robes and wizard hats, hadn’t come out of the blue. Steven Petrow, Washington Post, "After the KKK makes a late night visit, a tiny North Carolina town takes a stand," 6 Sep. 2019 Also this way [of designing] always [produces] something out of the blue, [beyond] expectation. Vogue, "It’s Been 20 Years Since Miguel Adrover Disrupted NYFW—8 Ways That He Was Ahead of His Time," 4 Sep. 2019 Their decades-long friendship would be tested in 1995 when a 68-year-old Gibson called Buxton out of the blue. Alvin Patrick, CBS News, "Former tennis pro Angela Buxton remembers Althea Gibson decades after they made history," 26 Aug. 2019 Recessions can indeed appear as if out of the blue. The Economist, "The onset of a downturn is as much a matter of mood as of money," 20 Aug. 2019 And the announcement in April from Gov. Kay Ivey came almost out of the blue that the widening project was a definite go. Paul Gattis | Pgattis@al.com, al, "ALDOT updates on I-565 widening project in Huntsville," 15 Aug. 2019 The six-time Pro Bowler and three-time first-team All-Pro reached out to Butler before the draft and offered his help almost out of the blue. Bob Mcmanaman, azcentral, "Arizona Cardinals scouting report: Wide receivers and tight ends," 8 July 2019 John Vandemoer, a sailing coach at Stanford University who was sentenced to home supervision last week for his role in the scheme, told the Wall Street Journal that Singer called him on his cell phone out of the blue. Gregory Korte, USA Today, "The rise of Rick Singer: How the mastermind of college admissions scandal built an empire on lies, exploited a broken system," 19 June 2019

Recent Examples on the Web: Verb

The pair were all smiles for the appearance at St. James’s Palace, where Kate blue a royal blue Issa dress that matched her sapphire engagement ring, which once belonged to William’s mother Princess Diana. Stephanie Petit, PEOPLE.com, "See the Sweet Photos of Meghan and Harry (and Kate and William!) the Queen Has on Display at Home," 25 July 2019 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

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

14 Sep 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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