The meaning of KILLER is one that kills. How to use killer in a sentence.

Strictly speaking, a serial killer is someone who murders at least two people in separate events that occur at different times.

A killer is a person who has killed someone, or who intends to kill someone. The police are searching for his killers.

Nov 7, 2025 · Here are the cold, hard facts about 10 of history’s most infamous serial killers.

KILLER definition: 1. someone who kills another person: 2. something that kills people, especially a disease or other…. Learn more.

Definition of killer noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A killer is someone or something that kills, such as a murderer or a serial killer. Killer may also refer to:

1. One that kills: a disease that was a killer of thousands; a killer of new ideas. 2. Slang Something that is extremely difficult to deal with or withstand: an exam that was a real killer.

Apr 8, 2026 · Accused Gilgo Beach, New York, serial killer Rex Heuermann admitted to the murders of eight women in court on Wednesday.

killer, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary