B2 First Vocabulary:
“Exhausting” is a B2 level adjective used to describe something that makes you feel every tired.
Below are examples of how 'Exhausting' could be used in the B2 First (FCE) exam.
Writing Part 2:
…The flight is nine hours and then you need to take a two hour train journey to get to the town which is pretty exhausting…
Reading and Use of English Part 1:
Preparing for a marathon can be difficult and (3)…… as well as requiring a lot of dedication.