This is the 984th most frequent Hungarian word.
legnépszerűbb
Most popular.
In this sentence, 'legnépszerűbb' is used as a superlative adjective describing the books.
A legnépszerűbb könyveket olvasta el a nyáron.
She read the most popular books during the summer.
Here, 'legnépszerűbb' functions as a superlative adjective to describe the restaurant.
Ez az étterem a legnépszerűbb a városban.
This restaurant is the most popular in the city.
In this context, 'legnépszerűbb' is used to describe the movie in a comparative sense as the most favored among options.