from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not convincing: gave an unconvincing excuse.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. not convincing, plausible or believable
from The Century Dictionary and Cyclopedia
- Not convincing; not such as to convince or to impress seriously.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not convincing
- adj. having a probability too low to inspire belief
un- + convincing (Wiktionary)