the GNU version of the Collaborative International Dictionary of English
adj. unsusceptible to, destitute of, or showing no emotion; unmoved by feeling. Opposite of emotional.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. unmoved by feeling
Word Usage
"The court clerk, a slight woman of about fifty, her expression emotionless and professional, rotated the box and, when it had stopped, opened the top, looked away so that the jurors could be assured this was random, and took out the first card."