: in a sad manner : in a way that shows sadness or unhappiness
They spoke sadly of their loss.
She shook her head sadly.
He walked away sadly.
2
: in a way that causes feelings of sadness, disappointment, or regret
a garden that has been sadly neglected for many years
What was top-of-the-line when the house was built was by now sadly outdated. Sue Grafton
The Greek populations of these great cities are now sadly diminished or gone altogether, leaving them much duller places. Robert Fox
3
: unfortunately—used to say that something is sad, unfortunate, or regrettable
Sadly, you can upload a perfectly working website today and return a few months later to find that many of its external links have died off. Matthew MacDonaldIs there a way to get the virus out of an afflicted cat's system? "Sadly, no," says Dr. [James] Richards. Tom Ewing