blue

adjective

1
causing dejection
a blue day
the dark days of the war
2
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
October's bright blue weather"- Helen Hunt Jackson
a blue flame
3
characterized by profanity or cursing
foul-mouthed and blasphemous
blue language
4
filled with melancholy and despondency
gloomy at the thought of what he had to face
gloomy predictions

1
any of numerous small butterflies of the family Lycaenidae
2
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
3
blue clothing
she was wearing blue
4
blue color or pigment; resembling the color of the clear sky in the daytime
he had eyes of bright blue
5
any organization or party whose uniforms or badges are blue
the Union army was a vast blue
6
the sky as viewed during daylight
he shot an arrow into the blue
7
used to whiten laundry or hair or give it a bluish tinge

Also useful for “blue”:Unscrambler— Turn loose letters into real words