LETHAL
ADJECTIVES
1860 — TACHYTHANATOUS killing quickly, rapidly fatal or lethal
NOUNS
1656 — LETHALITY the condition of being lethal; ability to cause death; deadliness
1990 — NEEDLE a lethal injection, as used in legal executions → US prison sl.
VERBS
1897 — LETHALIZE to destroy in a lethal chamber
Lexicophilia 