Meaning of KILLER in English

n. 25B6; noun

police are searching for the killer : MURDERER, assassin, slaughterer, butcher, serial killer, gunman; exterminator, terminator, executioner; informal hit man; poetic/literary slayer; dated homicide.

a major killer : CAUSE OF DEATH, fatal/deadly illness, threat to life.

Concise Oxford thesaurus English vocabulary.      Краткий оксфордский словарь английского языка тезаурус.