adjective
- having the color of the sky or sea on a clear day
- sad or depressed
Usage: informal
noun
- the color between green and violet in the spectrum
- a sad or melancholy mood
Usage: informal; often plural
verb
- to make or become blue in color
Examples
- The sky was a brilliant blue on that sunny afternoon.
- She wore a beautiful blue dress to the party.
- He’s been feeling blue since his dog died.
- Navy blue is my favorite color for suits.
- The singer’s voice had a touch of the blues.
- The cold wind blued his fingers.
- The artist mixed different shades of blue on her palette.