Meaning of outstanding

out•stand•ing

1. prominent; conspicuous; striking: an outstanding example of courage.
2. marked by superiority or distinction; excellent; distinguished: an outstanding student.
3. continuing in existence; remaining unsettled, unpaid, etc.: outstanding debts.
4. (of securities and the like) publicly issued and sold or in circulation.
5. standing out; projecting: a stiff, outstanding fabric.
6. that resists or opposes.