from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Feeling, exhibiting, or expressing no fear.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not afraid.
from The Century Dictionary and Cyclopedia
- Not afraid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. oblivious of dangers or perils or calmly resolute in facing them
- adj. free from fear or doubt; easy in mind
un- + afraid (Wiktionary)