This is the 12712th most frequent Spanish word.
nudistas
Nudistas: Nudists; people who practice nudism.
The word 'nudistas' is used as a plural adjective to describe the type of clubs that align with the nudist lifestyle.
Los clubes nudistas promueven un estilo de vida natural.
Nudist clubs promote a natural lifestyle.
Here, 'nudista' is an adjective modifying 'playa' to specify the type of beach.
En la playa nudista, las personas disfrutan de la naturaleza sin ropa.
On the nudist beach, people enjoy nature without clothing.
The word 'nudistas' functions as an adjective describing 'personas' to denote people who practice nudism.