"his ignorance was painfully obvious"
in or as if in pain
"she moved painfully forward"; "sorely wounded"
In a painful manner; as if in pain.
That was the most painfully sung rendition of "Fly Me to the Moon" that I've ever heard.
The numerical value of painfully in Chaldean Numerology is: 9
The numerical value of painfully in Pythagorean Numerology is: 8