best
The German word 'beste' is the superlative form of 'gut' (good) and is used to describe something as the best or of the highest quality. It can be used as an adjective or a noun, and is often used in comparisons. For example, 'Das ist das beste Restaurant in der Stadt' (That is the best restaurant in the city).
This is the best book I've ever read.
This sentence can be used when you want to express that out of all the books you have read, this one is the superior one.
You are the best friend I have.
The speaker is affirming to the person addressed that in comparison to all of his/her friends, this person is the most valued.
This is the best pizza in town.
This phrase is used to indicate that of all the pizza places available in this specific city, this pizza is considered the greatest.