It means of or relating to bile. By extension, bilious means suffering from liver dysfunction (and especially excessive secretion of bile). And, further by extension, it is indicative of a peevish ill-natured disposition.

Is there such a word as bilious?

bilious Add to list Share. If an unpleasant meal has left you feeling grumpy and looking green, you're bilious in several senses of the word. This adjective can mean both "troubled by indigestion" and "irritable," and it can also be used to suggest a sickly green shade.

What does it mean to be Bilias?

suffering from, caused by, or attended by trouble with the bile or liver. peevish; irritable; cranky. extremely unpleasant or distasteful: a long scarf of bright, bilious green.