(idiomatic) Finished; at an ignoble end.

An uncut diamond. / (figuratively) A person whose goodness or other positive qualities are hidden by a harsh or unremarkable surface appearance.

(Canada) A nine-digit number issued by the government of Canada to citizens, permanent residents, and some categories of temporary residents, for official identification in the provision of government services and income taxation. Abbreviation: SIN.

essentially

(finance) Any form of funding medium, mostly those used for borrowing in money markets, including cash instruments and derivative instruments.

(economics) A statistical estimate of the level of prices of some class of goods or services.

(of an image) Sharp and clear with no fuzziness. / (idiomatic, of one's thoughts) Clearly perceived.

(law) A litigant without an attorney.

(informal) To inform or tell.

(idiomatic, of something valuable) To cause someone to spend money or be tempted to spend money.