Blue is one of the three primary colours and is the colour of the clear sky and the deep sea on Earth. Blue is located between violet and green on the spectrum
Person 1: What's your favourite color?
Person 2: Blue
Person 1: Mine too!
by sensfan March 10, 2013
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1. State of dejection or gloom.
2. A style of music originating in the mid-nineteenth century from southern African-American secular songs usually featuring a syncopated 4/4 rhythm, flatted thirds and sevenths, a 12-bar structure, and lyrics in a three-line stanza in which the second line repeats the first.
My friends have all left and forgotten me. I've got the blues.

The blues is an expression of anger against shame and humiliation” (B.B. King).
by Mister Cellophane May 1, 2006
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The universal effect in which your tongue turns blue after eating or drinking a blue product such as a slushee or a lollipop.
Riley "Hey Ben, gotta get that blue" *shows blue tongue*
by Cobiyashi June 6, 2011
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Background: The Delta
Definition: n. The music you play and the songs you sing when you get blue . This music is often played in 12 bar melodies using the I-IV-V chord progression.

Definition: n. The bad shit that happens in your life to make you sing the blues .
Everynight I go to sleep. . . the blues, they fall down like rain.
by Wesley B. April 5, 2005
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Material, used by a stand-up comedian, that is considered crude or obscene
Bill Cosby does not use "blue" material.
George Carlin uses a whole fucking lot of "blue" material
by Jesus Kong October 20, 2005
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The color of the word you just searched up
Hey jerry, when you looked up the word blue, which was dumb from the start, the word blue was already blue
by Your.......mom July 12, 2019
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