This is the 1816th most frequent Spanish word.
costarricense
"Costarricense" means "Costa Rican," referring to someone or something from Costa Rica.
Here, 'costarricense' is used as an adjective to describe the noun 'cultura' (culture).
La cultura costarricense es rica y diversa.
The Costa Rican culture is rich and diverse.
In this sentence, 'costarricense' functions as an adjective describing María's nationality.
María es costarricense y vive en San José.
Maria is Costa Rican and lives in San José.
Here, 'costarricenses' is used as a noun referring to people from Costa Rica.