from The American Heritage® Dictionary of the English Language, 4th Edition
- adv. Badly; ill: "Beauty is jealous, and illy bears the presence of a rival” ( Thomas Jefferson).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Badly; poorly.
from The Century Dictionary and Cyclopedia
- In an ill or evil manner; not well; unsatisfactorily; ill.
ill + -ly (Wiktionary)