[more bilious; most bilious] 1 : having or causing a sick feeling in the stomach : feeling or causing nausea
▪ a bilious attack 2 : angry or bad-tempered
▪ a bilious disposition 3 : very unpleasant to look at
▪ a bilious [=repulsive] shade of green
▪ a bilious attack
▪ a bilious disposition
▪ a bilious [=repulsive] shade of green





