What are the antonyms for SLOW?

Synonyms for SLOW

Usage Examples for SLOW

  1. " Next time you make a fool o' me, boy," said Aunt Hepsy with a slow smile, " perhaps ye'll get summat ye'll like even less than that." - "Thankful Rest" by Annie S. Swan
  2. A slow smile broke across his face. - "Simon Dale" by Anthony Hope