thoroughly
US /ˈθɝː.ə.li/
UK /ˈθɝː.ə.li/

1.
in a thorough manner; carefully and completely
:
•
She cleaned the house thoroughly from top to bottom.
•
He examined the evidence thoroughly before making a decision.
2.
very much; greatly
:
•
I thoroughly enjoyed the concert.
•
He was thoroughly exhausted after the long journey.