Frequency: The word is one of the 3000 most common words in English.
1.
If you describe someone or something as ~, you think that they are very remarkable and impressive.
Derartu is an ~ athlete and deserved to win.
...an area of ~ natural beauty...
= exceptional
ADJ
2.
Money that is ~ has not yet been paid and is still owed to someone.
You have to pay your ~ bill before joining the scheme.
ADJ
3.
Outstanding issues or problems have not yet been resolved.
We still have some ~ issues to resolve before we’ll have a treaty that is ready to sign.
ADJ: usu ADJ n
4.
Outstanding means very important or obvious.
The company is an ~ example of a small business that grew into a big one...
ADJ