We found one dictionary that defines the word prontos:

General (1 matching dictionary)

1. prontos: Vocabulary.com

(Note: See pronto as well.)

Definitions from Wiktionary (pronto) ▸ adverb:  (informal) Quickly, very soon, promptly. ▸ Also see pronto ▸ Words similar to prontos ▸ Usage examples for prontos ▸ Idioms related to prontos ▸ Wikipedia articles (New!) ▸ Words that often appear near prontos ▸ Rhymes of prontos ▸ Invented words related to prontos