the GNU version of the Collaborative International Dictionary of English
adj. causing sudden intense fear due to an apprehension of imminent bodily harm, to oneself or others.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. extremely alarming
Word Usage
"Now they began with what his mother described as a bloodcurdling scream, after which David would jump out of bed, knock over furniture, and run about as if trying to escape from something."