from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Devoid of emotion; impassive.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking emotion.
from the GNU version of the Collaborative International Dictionary of English
- adj. unsusceptible to, destitute of, or showing no emotion; unmoved by feeling. Opposite of
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. unmoved by feeling
emotion + -less (Wiktionary)