As an adjective:
* She speaks fluent Danish.
* The Danish pastry was delicious.
* We visited the famous Danish architect's buildings.
As a noun:
* Danish is a North Germanic language.
* I'm learning Danish, but it's difficult.
* He's studying the history of the Danish monarchy.
In a more specific context:
* "Hygge" is a Danish concept that describes a feeling of cozy contentment.
* The Danish design movement is known for its minimalist aesthetics.
* Copenhagen is the capital of Denmark.
These are just a few examples, and the way you use "Danish" will depend on the specific context of your sentence.