a color like that of egg yolk, ripe lemons, etc.; the primary color between green and orange in the visible spectrum, an effect of light with a wavelength between 570 and 590 nm.

the yolk of an egg.

a yellow pigment or dye.

Informal . yellow light.

Slang . yellow jacket ( def. 2 ) .

of the color yellow.

Often Offensive .

designating or pertaining to an Oriental person or Oriental peoples.

designating or pertaining to a person of mixed racial origin, esp. of black and white heritage, whose skin is yellowish or yellowish brown.

having a sallow or yellowish complexion.

Informal . cowardly.

(of journalism, a newspaper, etc.)

sensational, esp. morbidly or offensively so

That yellow rag carried all the gory details.

dishonest in editorial comment and the presentation of news, esp. in sacrificing truth for sensationalism

Objective reporting isn't always a match for yellow journalism.

jealous; envious.

to make or become yellow

Yellow the sheets with dye. The white stationery had yellowed with age.

noun

chickenheartedness , cowardliness , cravenness , dastardliness , faint-heartedness , funk , pusillanimity , unmanliness