verkehrt
upside down
The wrong way around, turned over, or oriented in the wrong direction.
Du hast dein T-Shirt verkehrt herum angezogen, das Etikett ist außen.
You put your T-shirt on inside out; the label is on the outside.

wrong / upside down
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upside down
The wrong way around, turned over, or oriented in the wrong direction.
Du hast dein T-Shirt verkehrt herum angezogen, das Etikett ist außen.
You put your T-shirt on inside out; the label is on the outside.

'Verkehrt' (wrong; upside down) is the past participle of the verb 'verkehren'. The base verb 'kehren' means 'to turn' or 'to rotate'. The prefix 'ver-' here indicates that something has been turned the wrong way or in the wrong direction.
Das Auto musste auf der engen Straße verkehren.
The car had to turn around on the narrow street.
If 'verkehrt' refers to the orientation of a physical object, it means 'the wrong way around'. If it refers to an idea, an action, or a situation, it means 'wrong' or 'inappropriate' in a figurative sense.
Du hältst das Buch verkehrt.
You're holding the book the wrong way around.
In the meaning 'the wrong way around', 'verkehrt' is very often used in the fixed combination 'verkehrt herum' (the wrong way around; upside down). This expression functions like an adverb.
Die Batterien sind verkehrt herum in der Fernbedienung.
The batteries are the wrong way around in the remote control.
The expression 'die verkehrte Welt' (the world turned upside down) describes a situation in which everything is illogical or the opposite of what would be normal and right.
Kinder bringen den Eltern etwas bei? Das ist ja die verkehrte Welt!
Children teaching their parents something? That's the world turned upside down!
correct / right
'richtig' and 'verkehrt' are often opposites. 'richtig' means that something is correct, suitable, or done properly. 'verkehrt' means that something is wrong, inappropriate, or turned the wrong way. You can use them to describe answers, actions, or even the position of an object. The contrast is especially clear in situations like 'richtig herum' (the right way around) and 'verkehrt herum' (the wrong way around), or with a right decision and a wrong decision.

Meine Kollegin hat die Datei in den verkehrten Ordner gelegt.
My colleague put the file in the wrong folder.
Er schreibt im Kurs die richtige Antwort an die Tafel.
In the course, he writes the correct answer on the board.