Meaning of “outstanding” - Learner’s Dictionary

outstanding

adjective uk us /ˌaʊtˈstændɪŋ/
EXCELLENT

B2 excellent and much better than most:

an outstanding achievement
an outstanding player
NOT DONE

waiting to be paid or dealt with:

an outstanding debt
an outstanding issue

(Definition of “outstanding” from the Cambridge Learner’s Dictionary © Cambridge University Press)