adverb
- in a manner leading to death or disaster: He was injured fatally in the accident.
- by a decree of fate or destiny; by inevitable predetermination.
adverb
- resulting in death or disasterfatally wounded in battle
- as decreed by fate; inevitably
1570s, “predestined,” from fatal + -ly (2). Meaning “in a deadly manner” is from 1590s.