pronoun
this, these
B1
'diese' is a demonstrative pronoun/determiner meaning 'this' or 'these'. It agrees in gender, number and case (e.g., nominative/accusative feminine/plural 'diese', genitive 'dieser', dative plural 'diesen'). Use as determiner before nouns or alone as pronoun to point out people or things in speech and writing.
Examples
Die Jury diskutierte lange, weil diese Entscheidung schwierig war, sodass am Ende viele Argumente gewogen wurden.
The jury discussed for a long time because this decision was difficult, so in the end many arguments were weighed.
Diese Bücher sind alle aus der Bibliothek.
These books are all from the library.
Diese Tasche ist sehr schön.
This bag is very pretty.
Details
Mnemonics
Picture pointing at a group of objects and saying 'diese' to indicate them.
Sounds like 'DEE-zuh' — think 'these' or 'this' with emphasis on 'dee'.
Notes
Used for feminine singular nominative and for plural nominative/accusative. Watch agreement with gender and number (diese Tasche, diese Bücher).