na-adjective, noun
servile; subservient; obsequious
Describes a person or attitude that is excessively humble, lacking self-respect, and overly eager to please or obey others. Often carries a negative, critical tone.
彼は上司に卑屈な態度をとる。
He takes a servile attitude toward his boss.
そんな卑屈な言い方はやめてください。
Please stop talking in such a self-abasing way.
Compound of 卑 (lowly, base) and 屈 (bend, yield). The combination suggests bending oneself low in a demeaning way.