vertan

wasted, mistaken

f ɛ ʁ ˈt aː n
ver change into, away, or completely + tan do
verb · past Rare #43,834
wasted Usually the past participle of „vertun“; often used for time or an opportunity that was wasted.
GE: Er hat seine Zeit vertan.
EN: He wasted his time.
mistaken Usually used with „sich“ as „sich vertan haben“: to have made a mistake.
GE: Ich habe mich vertan.
EN: I was mistaken.

Sie müssen sich vertan haben.

You must be mistaken.

— Crazy Rich (2018)

Habe mich vertan.

I made a mistake.

— Plötzlich Papa (2016)

Es tut mir leid, dass ich mich in der Richtung vertan habe!

I'm sorry I got the direction wrong!

Ich habe den ganzen Morgen damit vertan, auf dich zu warten.

I wasted the whole morning waiting for you.