exhausting
US /ɪɡˈzɑː.stɪŋ/
UK /ɪɡˈzɑː.stɪŋ/

1.
anstrengend, ermüdend
making one feel very tired; tiring.
:
•
The long hike was incredibly exhausting.
Die lange Wanderung war unglaublich anstrengend.
•
Dealing with constant complaints can be very exhausting.
Ständige Beschwerden zu bearbeiten kann sehr anstrengend sein.