n.
1. blue color or pigment; resembling the color of the clear sky in the daytime
2. blue clothing
3. any organization or party whose uniforms or badges are blue
4. the sky as viewed during daylight
5. used to whiten laundry or hair or give it a bluish tinge
6. the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
7. any of numerous small butterflies of the family Lycaenidae v.
1. turn blue
2. of the color intermediate between green and violet; having a color similar to that of a clear unclou
3. used to signify the Union forces in the American Civil War (who wore blue uniforms)
4. low in spirits
5. characterized by profanity or cursing
6. suggestive of sexual impropriety
7. belonging to or characteristic of the nobility or aristocracy
8. morally rigorous and strict
9. causing dejection
