Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
speedy [ˈspiːdɪ] adj (fast, car) бы́стрый/быстр (prompt, reply, recovery, settlement) ско́рый/скор
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: