Questions & Answers about Das Kleid ist hübsch.
Here, das means the.
In Das Kleid ist hübsch, das Kleid = the dress.
A common point of confusion is that das can also mean that in other contexts, but in this sentence it is the definite article for the noun Kleid.
Because Kleid is a neuter noun in German.
German nouns have grammatical gender:
- der = masculine
- die = feminine
- das = neuter
So:
- das Kleid = the dress
The gender has to be learned with the noun, because it is not always predictable from the meaning.