yellow
noun
yellow color or pigment; the chromatic color resembling the hue of sunflowers or ripe lemons
Synonymsyellowness
verb
turn yellow
“The pages of the book began to yellow”
adjective
of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk
easily frightened
changed to a yellowish color by age
“yellowed parchment”
Synonymsyellowedtypical of tabloids
“sensational journalistic reportage of the scandal”
“yellow press”
cowardly or treacherous
“the little yellow stain of treason”
“too yellow to stand and fight”
affected by jaundice which causes yellowing of skin etc
Source: WordNet 3.1, Princeton University