noun
envelope
B1
Kuvert (das) means 'envelope'. It refers to a mail envelope, often used in formal correspondence. Note the plural is Kuverts (adds -s), a borrowed word. Declension follows neuter patterns (das Kuvert, des Kuverts). It's commonly used. No reflexive or special prepositions.
VOCABULARY.DETAILS.EXAMPLES
Das Kuvert war bereits geöffnet, als es ankam.
The envelope had already been opened when it arrived.
Bitte steck den Brief ins Kuvert.
Please put the letter into the envelope.
Als der Empfänger den Briefkasten öffnete, legte der Postbote das Kuvert auf den Tisch, damit es nicht weiter nass wurde.
When the recipient opened the mailbox, the postman put the envelope on the table so that it would not get any wetter.
VOCABULARY.DETAILS.DETAILS_LABEL
VOCABULARY.DETAILS.MNEMONICS
picture a sealed cover protecting a letter (an envelope covering a card)
sounds a bit like English 'covert' → something that covers the letter
das = neutral container — think of 'das Paket' or 'das Kuvert' as an object that holds stuff
VOCABULARY.DETAILS.NOTES
Kuvert is a loanword; plural often used as Kuverts in everyday German.