Blue
/bluː/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:6 ptsWWF:9 pts4 letters
Definition of Blue
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.
- Any of several processes to protect metal against rust.
- Blue clothing
"The boys in blue marched to the pipers."
- (in the plural) A blue uniform. See blues.
verb
adjective
- Of the colour blue.
"the deep blue sea"
- Depressed, melancholic, sad.
- Pale, without redness or glare; said of a flame.
"The candle burns blue."
- Supportive of, run by (a member of), pertaining to, or dominated by a political party represented by the colour blue.
- Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant in the specific observation.
Anagrams of Blue
Words You Can Make
3 words can be made from the letters in "blue":
Related Word Patterns
Synonyms & Antonyms
ANTONYMS
nonblueunblueantiblue