the GNU version of the Collaborative International Dictionary of English
adj. Being in a state of suppressed activity; quiet but not dead.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. showing scarcely suppressed anger
Word Usage
"Stone-faced, Garnett went through his warmups as if it were any other game in any other venue, with that trademark intensity smoldering from the moment he stepped on the court."