Blue /bluː/

The meaning and definition of Blue, with examples, synonyms, and a word game to make it stick.

Definition

noun

The colour of the clear sky or the deep sea, between green and violet in the visible spectrum, and one of the primary additive colours for transmitted light; the colour obtained by subtracting red and green from white light using magenta and cyan filters; or any colour resembling this.
A blue dye or pigment.

verb

To make or become blue.
To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.

adjective

Of the colour blue.
“the deep blue sea”
Depressed, melancholic, sad.

Antonyms nonblue unblue antiblue

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Blue /bluː/

Definition

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