(transitive) to shut / (transitive) to close / (reflexive) to close

(colloquial, offensive, euphemistic, by ellipsis) to shut it, to shut up (refrain from speech)

to close up shop, to shut up shop, to close down

(vulgar, offensive) to shut one's mouth; to shut up (refrain from speech)

(literally) to shut one's eyes / (figuratively, transitive with sur) to turn a blind eye to / (figuratively) to pass away, to die

Alternative spelling of fermer à clef

(transitive) to lock

to bring up the rear

(figuratively) not to sleep a wink

first-person singular future of fermer