'crowded' is an adjective that describes a place where there is a large number of people in a confined area. Its role and function in the English language is to describe the level of occupancy of a certain area.
the rules associated with its use include that it is generally used to describe a group of people, while a 'crowd' of other things (i.e., clouds, books, etc.) is less common.
1. The park was so crowded that you couldn't find a place to sit.
2. We weren't expecting such a crowded restaurant on a Tuesday night.
3. The crowded beach could barely contain all the beachgoers.
tips, nuances, and common mistakes include that it should not be confused with the verb 'crowd,' which is to press together or fill a place with people.