part of speech: noun
definition: the color of a clear sky; the color between green and violet on the color spectrum.
phrase: the blue
phrase: out of the blue
part of speech: adjective
inflections: bluer, bluest
definition 1: having the color blue.
- The police officer wore a blue uniform.
definition 2: sad; unhappy.
- He was blue about losing his pet.
synonyms: down, downcast, melancholy, sad
phrase: blue in the face
derivations: bluish (blueish) (adj.), bluely (adv.), blueness (n.)