What does "regrettably" mean?

In a manner inspiring or deserving regret.

What is a synonym for "regrettably"?

Common synonyms include: unfortunately, alas, deplorably, lamentably, sadly, tragically.

adv

adv ·4 syllables ·Rare ·Advanced level

Adverb

1
In a manner inspiring or deserving regret.
"Your exam results are regrettably poor: you should regretfully reflect on all the time wasted reading comics."

Adverb

"Regrettably, we have not received your reply."

From regrettable + -ly.