from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. While or as if frowning
from the GNU version of the Collaborative International Dictionary of English
- adv. In a frowning manner.
from The Century Dictionary and Cyclopedia
- In a frowning manner; sternly; with an aspect of displeasure.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. with a frown; while frowning
frowning + -ly (Wiktionary)