assassin

/a.sa.sɛ̃/
1.
nounmasculineSing

murderer, killer

La police a enfin arrêté l'assassin.

The police finally arrested the killer.

Synonyms:meurtrier, tueur
2.
adjectiveSing

deadly; cutting; extremely harsh (figurative, e.g. a look, remark or criticism)

Elle m'a lancé un regard assassin.

She gave me a deadly/cutting look.

Synonyms:meurtrier, perçant, cinglant