from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A lack of faith or confidence in oneself.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The doubting of one's own abilities.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. lack of self-confidence
self- + doubt (Wiktionary)