No. 3,307 in French

tueur

Killer.

In a sentence

Le tueur a été arrêté par la police.
The killer was arrested by the police.
The word 'tueur' here refers to a person who commits the act of killing, commonly used in a crime or murder context.
Ce film sur un tueur en série est vraiment captivant.
This movie about a serial killer is really captivating.
In this usage, 'tueur' is part of the noun phrase 'tueur en série', meaning 'serial killer', which is a specific type of killer.
Ce boxeur est un vrai tueur sur le ring.
This boxer is a real killer in the ring.
Here, 'tueur' is used metaphorically to describe someone who is extremely effective or aggressive, not literally.

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