Dictionary
le•thal
Pronunciation: (lē'thul), [key]—
adj.
1. of, pertaining to, or causing death; deadly; fatal:
a lethal weapon; a lethal dose.
2. made to cause death:
a lethal chamber; a lethal attack.
3. causing great harm or destruction:
The disclosures were lethal to his candidacy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.