Adjective
1. similar to the color of an egg yolk
2. easily frightened
3. changed to a yellowish color by age;
"yellowed parchment"4. typical of tabloids;
"sensational journalistic reportage of the scandal""yellow journalism"5. cowardly or treacherous;
"the little yellow stain of treason"-M.W.Straight"too yellow to stand and fight"6. affected by jaundice which causes yellowing of skin etc