from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. In a vain manner; to no avail.
from the GNU version of the Collaborative International Dictionary of English
- adv. In a vain manner; in vain.
from The Century Dictionary and Cyclopedia
- In a vain manner.
- In an inflated or conceited manner; proudly; arrogantly: as, to strut about vainly.
- Idly; foolishly; unreasonably; hence, erroneously; falsely.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. to no avail
vain + -ly (Wiktionary)