First Known Use: 13th century
Dictionary
1blue
adjective \ˈblü\
: having the color of the clear sky
: sad or unhappy
blu·erblu·est
Full Definition of BLUE
1
: of the color blue
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 b : marked by low spirits : depressing <a blue funk> <things looked blue>
4
: wearing blue
5
of a woman : learned, intellectual
6
8
: of, relating to, or used in blues <a blue song>
9
: tending to support Democrats in a general election <blue states>
— blue·ly adverb
— blue·ness noun
— blue in the face
: extremely exasperated
See blue defined for English-language learners
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Origin of BLUE
Middle English, from Anglo-French blef, blew, of Germanic origin; akin to Old High German blāo blue; akin to Latin flavus yellow
Related to BLUE
Rhymes with BLUE
boo, brew, chew, clew, clue, coo, coup, crew, cue, dew, do, doux, due, ewe, few, flu, flue, fou, glue, gnu, goo, hew, hue, Jew, Koo, lieu, loo, mew, moo, moue, mu, new, nu, ooh, pew, phew, pooh, q, queue, roux, rue, screw, shoe, shoo, shrew, Sioux, skew, slew, slough, slue, smew, sou, sous, spew, sprue, stew, strew, sue, Sue, thew, through, to, too, true, two, u, view, whew, who, woo, xu, yew, you, zoo
2blue
noun
: the color of the clear sky
the blue : the sky or the sea
Full 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 : a pigment or dye that colors blue b : bluing
3
a : blue clothing or cloth b plural : a blue costume or uniform
4
a : a Union soldier in the American Civil War b often capitalized : the Union army
6
: a blue object
7
8
: any of numerous small chiefly blue butterflies (family Lycaenidae)
9
: bluefish
10
— out of the blue
: without advance notice : unexpectedly <the job offer came out of the blue>
See blue defined for English-language learners
First Known Use of BLUE
13th century
3blue
verb
bluedblue·ing or blu·ing
Definition of BLUE
transitive verb
: to make blue
intransitive verb
: to turn blue
First Known Use of BLUE
1606
BLUE Defined for Kids
1blue
noun \ˈblü\
Definition of BLUE for Kids
1
: the color of the clear daytime sky
2
: blue clothing or cloth
3
: sky 1
2blue
adjective
blu·erblu·est
Definition of BLUE for Kids
1
: of the color of the sky : of the color blue <blue ink>
2
: sad 1 <Why are you so blue?>
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