adjective.
Causing or capable of causing death: synonym: fatal.
adjective.
Extremely harmful; devastating.
The Century Dictionary and Cyclopedia
Pertaining to or capable of causing death; deadly; fatal.
the GNU version of the Collaborative International Dictionary of English
adjective.
Deadly; mortal; fatal.
noun.
One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. It is so called because it occurs in the ethereal salt of lauric acid.
noun.
One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
of an instrument of certain death
Word Usage
"In 1934, Stauder coined the term lethal catatonia to characterize an acute, intense excitement state, combining features of mania and delirium, that was associated with fever often high and catatonic signs."