1

blue

adjective \ ˈblü \
Updated on: 8 Nov 2017

Definition of blue

bluer; bluest
1 :of the color whose hue is that of the clear sky :of the color blue (see 2blue 1)
  • a blue jacket
  • her bright blue eyes
  • The house is blue with white shutters.
2 a :bluish
  • the blue haze of tobacco smoke
b :discolored by or as if by bruising
  • blue with cold
c :bluish gray
  • a blue cat
3 a :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
7 a :profane, indecent
  • a blue movie
b :off-color, risqué
  • blue jokes
8 music :of, relating to, or used in blues (see blues 3)
  • a blue song
9 politics :tending to support Democrats in a general election
  • blue states

bluely

adverb

blueness

noun
blue in the face
:extremely exasperated
  • argued until he was blue in the face

Examples of blue in a Sentence

  1. shocked at the blue banter she heard on that satellite-radio talk show

  2. a cold, dreary day always leaves me blue

Recent Examples of blue from the Web

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.

Origin and Etymology of blue

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


2

blue

noun

Definition of blue

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
2 a :a pigment or dye that colors blue
b :bluing
  • adding blue to the laundry
3 a :blue clothing or cloth
  • will be wearing blue
b blues plural :a blue costume or uniform
  • wearing their dress blues
4 a :a Union soldier in the American Civil War
b often capitalized :the Union army
  • the blue versus the Gray
5 a (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
out of the blue
:without advance notice :unexpectedly
  • the job offer came out of the blue

Examples of blue in a Sentence

  1. Her favorite color is blue.

  2. a mixture of blues and greens

  3. They sailed off into the blue.

Recent Examples of blue from the Web

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.

Origin and Etymology of blue

see 1blue

blue Synonyms

Synonyms
sky, firmament, heaven (s), high, welkin
Related Words
midair; horizon, skyline

3

blue

verb

Definition of blue

blued; blueing or bluing
transitive verb
:to make blue (see 1blue)
  • the blued barrel of the gun
intransitive verb
:to turn blue
  • their blueing fingers

Recent Examples of blue from the Web

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.

Origin and Etymology of blue

see 1blue



BLUE Defined for English Language Learners

blue

adjective

Definition of blue for English Language Learners

  • : having the color of the clear sky

  • : sad or unhappy


blue

noun

Definition of blue for English Language Learners

  • : the color of the clear sky

  • the blue : the sky or the sea


BLUE Defined for Kids

1

blue

noun \ ˈblü \

Definition of blue for Students

1 :the color of the clear daytime sky
2 :blue clothing or cloth
3 :sky 1
4 :sea 1

bluish

adjective
out of the blue
:suddenly and unexpectedly

2

blue

adjective

Definition of blue for Students

bluer; bluest
1 :of the color of the sky :of the color blue
  • blue ink
2 :sad 1
  • Why are you so blue?

Medical Dictionary

1

blue

adjective \ ˈblü \

medical Definition of blue

bluer; bluest
:of the color blue

2

blue

noun

medical Definition of blue

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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