noun
waste; uselessness; redundancy
Refers to something being superfluous, unnecessary, or wasteful. Often used in compounds or set phrases; as a standalone noun it is somewhat literary or formal.
その説明は冗に過ぎない。
That explanation is nothing more than redundant.
冗を省いて要点だけ話してください。
Please cut out the unnecessary parts and just give the main points.