(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.
(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.
(superl.) Low in spirits; melancholy; as, to feel blue.
(superl.) Suited to produce low spirits; gloomy in prospect; as,
thongs looked 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.
(superl.) Literary; -- applied to women; -- an abbreviation of
bluestocking.
(n.) 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.
(n.) A pedantic woman; a bluestocking.
(pl.) Low spirits; a fit of despondency; melancholy.
(v. t.) To make blue; to dye of a blue color; to make blue by
heating, as metals, etc.
