What does "lamentably" mean?

Regrettably. In a manner deserving or inspiring lamentation.

What is a synonym for "lamentably"?

Common synonyms include: sadly, agonizingly, awfully, bitterly, blatantly, cruelly.

adv

adv ·Rare ·Advanced level

Adverb

1
Regrettably. In a manner deserving or inspiring lamentation.
"Lamentably the good too die; we will all mourn his passing."

Adverb

"He fell lamentably short of his duty."

From lamentable + -ly.