from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a powerful manner.
from The Century Dictionary and Cyclopedia
- In a powerful manner; with great force or energy; potently; strongly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. in a manner having a powerful influence
- adv. in a powerful manner
powerful + -ly (Wiktionary)