Definition of: yellow

(yel′ō) adjective
1. Having the color of ripe lemons, or sunflowers.
2. Changed to a sallow color by age, sickness, or the like, a paper yellow with age.
3. Having a sallow complexion, as a member of the Mongoloid ethnic group.
4. Jaundiced; hence, melancholy; jealous.
5. Sensational, especially offensively so: said of newspapers: yellow journalism.
6. Colloq. Cowardly; mean; dishonorable.
—noun
1. The color of the spectrum between green and orange, including wavelengths centering at about 5,890 angstroms; the color of ripe lemons.
2. Any pigment or dyestuff having such a color.
3. The yolk of an egg.
4. plural Any of various unrelated plant diseases in which there is stunting of growth and yellowing of the foliage; especially, an infectious virus disease of peach, nectarine, apricot, and almond trees.
5. plural Jaundice, especially a variety that affects domestic animals.
6. plural Obs. Jealousy; hence, a jealous frame of mind.
—v.t. & v.i. To make or become yellow. [OE geolu]
—yel′low·ly adverb
—yel′·low·ness noun