IPA: /ˈbɪl.i.əs.li/
KK: /ˈbɪlɪəsli/
In a manner that is unpleasantly irritable or sickly, often related to bile or a bad temper.
He spoke biliously, making everyone around him uncomfortable.
Biliously → It is formed from "bilis" (from Latin, meaning bile) and the suffix "-ous" (meaning full of). The word "biliously" refers to a state characterized by the presence of bile, often associated with irritability or a sickly disposition.
Think of 'bile' as something that can make you feel sick or irritable, and remember that 'biliously' describes a state full of that feeling.