Déranger, vtr : to disturb, to derange (the mind), to upset, to bother, to interrupt, to mix something up, to mess something up.

The French word « déranger » looks very similar to the English word “derange.”

The most common meaning of “derange” in English is “to make someone become wildly irrational or out of control.”

In French, « déranger » typically means to disturb, to derange, to upset, to bother, to interrupt, to mix something up, to mess something up.

Comment veux-tu que je travaille si tu me déranges tout le temps ?
How do you expect me to work if you disturb me all the time?

La maladie lui a dérangé l’esprit.
The illness has deranged his mind.

Les écrits de ce philosophe dérangent beaucoup de personnes.
This philosopher’s writings upset a lot of people.

Excusez-moi de vous déranger.
I’m sorry for bothering you.

Qui a encore dérangé mes affaires ?
Who has mixed my things up again?

Les enfants ont dérangé leur chambre.
The children have messed up their room.