from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a regretful manner, with regret.
- adv. Unfortunately, in a manner inspiring or deserving regret; used only as a sentence adverb (to introduce and modify an entire sentence).
from The Century Dictionary and Cyclopedia
- With regret.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. with regret (used in polite formulas)
regretful + -ly (Wiktionary)