noun
supermarket, grocery store
A2
Supermarkt: masculine noun (der Supermarkt) meaning supermarket or grocery store. Plural: Supermärkte (note umlaut and regular -e plural). Declension standard but genitive can be 'des Supermarktes' or 'des Supermarkts'. Common everyday place for food shopping; collocations: im Supermarkt, zum Supermarkt gehen.
Examples
Ich gehe heute zum Supermarkt, um Obst zu kaufen.
I'm going to the supermarket today to buy fruit.
Im Supermarkt gibt es frisches Gemüse und Brot.
The grocery store has fresh vegetables and bread.
Im Supermarkt gibt es eine große Auswahl an Lebensmitteln.
There is a large selection of groceries at the supermarket.
Details
Mnemonics
Imagine a large market building with a sign 'Supermarkt'.
Supermarkt ~ 'super market' (English) — same idea.
der — picture a big male shopping cart in front labeled 'der Supermarkt'.