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

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

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

Although a serial killer is a distinct classification that differs from that of a mass murderer, spree killer, or contract killer, there are overlaps between them.

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, killer is used in …

Jul 9, 2025 · Despite his crimes concluding more than 40 years ago, the fascination remains for Florida serial killer Christopher Wilder, the Boynton Beach businessman who ended his life in April 1984 after...

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.

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

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.