n. problem; challenge; hardship; trouble; something that is difficult

n. sign; indication; symbol; grade; stain; trace; scar; target; goal; standard of achievement

n. release; approval; washing

n. rematch; repetition

n. expenditure; pardon

n. diligence; tenacity; stubbornness; continuation

n. learning; field of learning; thorough investigation; report; analysis; room in which reading or studying is done

n. thing; object; article; news story; piece of information; scoop

n. act of going or coming back; act of giving back; reply; answer; profit; yield; repayment; return key; alternate name for the Enter key (Computers); ball that is hit or run back (Sports)

n. figure; form; reflection; picture; likeness; embodiment