bitterly

US /ˈbɪt̬.ɚ.li/
UK /ˈbɪt̬.ɚ.li/
"bitterly" picture
1.

in an angry or resentful way

:
•
She complained bitterly about the unfair treatment.
•
He bitterly regretted his decision.
:
resentfullyacrimoniouslyrancorouslysullenlysourly
2.

to an extreme degree; intensely

:
•
It was bitterly cold outside.
•
The wind blew bitterly.
:
extremelyintenselyseverelyharshlyfiercely