Thesaurus

Synonyms for Bilious include:

afflicted, aguish, ailing, air sick, airsick, atrabilious, autistic, bad-tempered, bedfast, bedrid, bedridden, biliary, bilious, bristly, bronchitic, cantankerous, carsick, choleric, churlish, consumptive, convalescent, crabbed, crabby, cranky, cross, crotchety, crusty, curmudgeonly, currish, dark, delirious, diabetic, digestive fluid, digestive juice, disagreeable, dizzy, dour, dyspeptic, faint, feverish, feverous, fractious, funny, fussy, giddy, glowering, glum, gouty, green, grouchy, gruff, grumpy, hallucinating, hot-tempered, hotheaded, huffish, ill, ill-humored, ill-humoured, ill-natured, ill-tempered, indisposed, irascible, irritable, laid low, laid up, light, light-headed, lightheaded, liverish, livery, milk-sick, misanthropic, misanthropical, misogynous, moody, morose, nagging, nauseated, nauseous, nettlesome, ornery, palsied, paralytic, paralyzed, paraplegic, peaked, peckish, peevish, pettish, petulant, poorly, prickly, queasy, quick-tempered, rachitic, recovering, rickety, saturnine, scratchy, scrofulous, seasick, seedy, shirty, short-tempered, shrewish, sick, sick-abed, sickish, sickly, snappish, snappy, sneezy, snorty, sour, spastic, splenetic, spoiled, spoilt, stricken, sulky, sullen, surly, swooning, techy, testy, tetchy, tubercular, tuberculous, ugly, under the weather, unfit, unhealed, unhealthy, unpleasant, unwell, upset, vertiginous, vinegarish, vinegary, waspish, woozy

bilious is a ADJ.