WordNet sense 1 (yellow color or pigment; the chromatic color resembling the hue of sunflowers or ripe lemons):

yellowness

WordNet sense 2 (typical of tabloids):

scandalmongering, sensationalistic

WordNet sense 3 (causing intense interest, curiosity, or emotion):

sensational

WordNet sense 4 (changed to a yellowish color by age):

yellowed

WordNet sense 5 (of long duration; not new):

old

WordNet sense 6 (lacking honor or integrity; deserving dishonor):

dishonorable, dishonourable

WordNet sense 7 (affected by jaundice which causes yellowing of skin etc):

jaundiced, icteric

WordNet sense 8 (not in or exhibiting good health in body or mind):

unhealthy

WordNet sense 9 (of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk):

yellowish, xanthous

WordNet sense 10 (being or having or characterized by hue):

chromatic

WordNet sense 11 (easily frightened):

chicken, chickenhearted, lily-livered, white-livered, yellow-bellied

WordNet sense 12 (lacking courage; ignobly timid and faint-hearted):

cowardly