from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a manner that is extraordinary or amazing.
from The Century Dictionary and Cyclopedia
- As a phenomenon; as a mere phase or appearance.
- In an extraordinary or surprising manner or degree.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. to a phenomenal degree
phenomenal + -ly (Wiktionary)