"blues" in the noun sense

1. blue, blueness

blue color or pigment resembling the color of the clear sky in the daytime

"he had eyes of bright blue"

2. blue

blue clothing

"he had a bad case of the blues"

"she was wearing blue"

3. blue

any organization or party whose uniforms or badges are blue

"the Union army was a vast blue"

4. blue sky, blue, blue air, wild blue yonder

the sky as viewed during daylight

"he shot an arrow into the blue"

5. bluing, blueing, blue

used to whiten laundry or hair or give it a bluish tinge

6. amobarbital sodium, blue, blue angel, blue devil, Amytal

the sodium salt of amobarbital that is used as a barbiturate used as a sedative and a hypnotic

7. blue

any of numerous small butterflies of the family Lycaenidae

"blues" in the verb sense

1. blue

turn blue

Source: WordNet® (An amazing lexical database of English)

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