speedy in WordNet English dictionary

1. accomplished rapidly and without delay
   "was quick to make friends"; "his quick reaction prevented an accident"; "hoped for a speedy resolution of the problem"; "a speedy recovery"; "he has a right to a speedy trial"
   quick  speedy 
   
2. characterized by speed; moving with or capable of moving with high speed
   "a rapid movement"; "a speedy car"; "a speedy errand boy"
   rapid  speedy