(informal) any of several sports teams whose uniform is predominantly blue, such as: / The New South Wales Blues.

present participle of blue

An indigo material used as a laundry aid to counteract yellowing

plural of blueing

Working class; engaged or trained in essentially manual labor. / Pertaining to the culture of blue-collar workers.

(idiomatic, music) The flatted 5th scale degree in the blues scale, also known as the flat five.

(colloquial, of a person) Having obvious bruises of the skin, typically from falling or being hit or punched.

A whale (Balaenoptera musculus), blue in color and the largest known living animal.

An intense, relatively dark blue.

An intense, relative dark blue.