What is a basic definition of killer? A killer is a person or thing that kills, meaning they end lives. Killer is also used in slang to mean something that is devastating or exhausting. Additionally, …

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

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

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

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

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.

Nov 21, 2025 · There’s no shortage of serial killers who have shot to infamy over the course of U.S. history. We’re taking a look back at the crimes of Ted Bundy, Ed Gein, John Wayne …

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

Dec 18, 2025 · Teenage serial killer who committed Florida's 'Tuesday murders' is executed Frank Athen Walls' victims include a 19-year-old junior college student who was sunbathing, a …

Dec 14, 2025 · The killer, or virama, participates in some common constructions that would be clumsy to handle the way they would be in the other Indic scripts, so the control function of the …