murderer

noun

mur·​der·​er ˈmər-dər-ər 

: one who murders

especially : one who commits the crime of murder

Synonyms of murderer

• assassin
• killer

Examples of murderer in a Sentence

the murderer was sentenced to life in prison without the possibility of parole

Recent Examples on the Web

Theron won the Best Actress Oscar for her turn as the notorious murderer. — Marina Watts, Entertainment Weekly, 29 Sep. 2026

All those players are expected to be back in attempt to win an AL West that was hardly a murderers’ row in 2026. — Chris Biderman, Sacbee.com, 27 Sep. 2026

But Ema does not solve mysteries or bring murderers to justice. — Jessica Kiang, Variety, 26 Sep. 2026

Some of Zahnd’s career highlights include the 2022 conviction of Grayden Denham, the first quadruple murderer in the county’s history, and the 2020 murder conviction of Letti Strait for the shooting death of Charles Cammisano, her ex-husband. — Kacen Bayless, Kansas City Star, 22 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined above

Phrases Containing murderer

• mass murderer

Legal Definition

murderer

noun

mur·​der·​er ˈmər-dər-ər 

: a person who commits murder