Question

moot point Whether he did the project by himself or not is a moot point among colleagues.

Accepted Answer

A subject which gives rise to argument or debate is called a moot point.

Phrase/Idiom	moot point
Definition	A subject which gives rise to argument or debate is called a moot point.
Example	Whether he did the project by himself or not is a moot point among colleagues.

Moot Point Subject Rise Argument Debate Called Project