noun a pedantic woman; a bluestocking.
2. blue ·pl low spirits; a fit of despondency; melancholy.
3. blue ·superl low in spirits; melancholy; as, to feel blue.
4. blue ·superl literary;
applied to women;
an abbreviation of bluestocking.
5. blue ·superl suited to produce low spirits; gloomy in prospect; as, thongs looked blue.
6. blue ·vt to make blue; to dye of a blue color; to make blue by heating, as metals, ·etc.
7. blue ·superl having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets.
8. blue ·superl severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
9. blue ·superl pale, without redness or glare, said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
10. blue ·noun one of the seven colors into which the rays of light divide themselves, when refracted through a glass prism; the color of the clear sky, or a color resembling that, whether lighter or darker; a pigment having such color. sometimes, poetically, the sky.