expression, godan verb (-u)
ask something unreasonable; make an unreasonable request; be unreasonable
Used when someone asks for something that is difficult, excessive, or beyond what is reasonable. Often implies the speaker is imposing on the listener.
無理を言ってすみませんが、もう少し待っていただけませんか。
I'm sorry to ask something unreasonable, but could you wait a little longer?
彼はいつも無理を言うから、周りが困っている。
He always makes unreasonable requests, so people around him are troubled.