KILLER definition: a person or thing that kills. kill. See examples of killer used in a sentence.

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

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

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.

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

Jan 2, 2026 · A killer is on the loose after a well-liked dentist and his wife were shot dead in their Ohio home in a crime that orphaned their two young children, who were found crying but …

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.

6 days ago · Whoever gunned down a young dentist and his wife is still on the loose a week after the grisly killings. But police hope newly released video of a “person of interest” and help from …

1 day ago · Ohio surgeon Michael David McKee is accused of murdering his ex-wife and her dentist husband in a Columbus shooting. The Chicago doctor was arrested on murder charges.

2 days ago · The Columbus, Ohio, police chief is speaking out for the first time since the mysterious murders of dentist Spencer Tepe and his wife Monique Tepe.