out‧stand‧ing W3 / aʊtstændɪŋ / 形容词
1 extremely good :
an outstanding example of a 13th-century castle
an outstanding success
His performance was outstanding.
2 not yet done, solved, or paid :
We’ve got quite a few debts still outstanding.
an outstanding issue
3 very great or clear :
The question of who is in charge is of outstanding importance.