very - used to emphasize a bad or harmful quality that someone or something has:
painfully thin arms
As a teenager, I was painfully shy.
The road to peace is a painfully slow process.
We are only too painfully aware of the damage his actions have caused.
It was painfully obvious he'd rather not see her again.
with pain or causing pain:
Robyn swallowed painfully.
needing a lot of effort:
all the knowledge that he had so painfully acquired