outstanding

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.