This is the 1163rd most frequent Catalan word.
ràpid
Fast.
Used as an adjective to describe the noun 'corredor' (runner), indicating speed or quickness.
Ell és un corredor ràpid.
He is a fast runner.
Used as an adverb modifying the verb 'acabar' (to finish), indicating the speed of the action.
Vaig acabar el llibre ràpid perquè era interessant.
I finished the book quickly because it was interesting.
Used as an adverb in a question context, indicating a query about the speed of resolving an issue.