from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a supercilious manner.
from The Century Dictionary and Cyclopedia
- In a supercilious manner; haughtily; with an air of contempt.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. with a sneer; in an uncomplimentary sneering manner
supercilious + -ly (Wiktionary)