fermer.

to shut

to close

to close

to do up (of clothing)

to switch off, to turn off (of a device or an appliance)

to shut down, to discontinue, to axe (of a service)

to bind off (of stitches in knitting)

to harden (of someone's face)

to put someone off something, to turn someone off something

Ce professeur l'a fermé au sujet des mathématiques.

to mark the border of

Les Vosges ferment l'Alsace à l'ouest.