any of a group of colours that vary in saturation but have the same hue. They lie in the approximate wavelength range 585–575 nanometres. Yellow is the complementary colour of blue and with cyan and magenta forms a set of primary colours

a pigment or dye of or producing these colours

yellow cloth or clothing

the yolk of an egg

a yellow ball in snooker, etc

any of a group of pieridine butterflies the males of which have yellow or yellowish wings, esp the clouded yellows (Colias spp.) and the brimstone

of the colour yellow

yellowish in colour or having parts or marks that are yellowish

having a yellowish skin

cowardly or afraid

offensively sensational, as a cheap newspaper (esp in the phrase yellow press)

to make or become yellow