Breakneck, abrupt, and alacritous are all synonyms for rapid. Slow and leisurely are these antonyms of rapid. And here are another 34 synonyms for rapid.
Rapid Synonyms
- Abrupt
- Alacritous
- Breakneck
- Brisk
- Expeditious
- Express
- Fast-track
- Fast
- Fleet
- Fleeting
- Flying
- Hasty
- Headlong
- High-speed
- Hurried
- Immediate
- Instant
- Instantaneous
- Lightning
- Lively
- Meteoric
- Overnight
- P.d.q. (pretty damn quick)
- Precipitate
- Prompt
- Quick
- Sharp
- Speedy
- Sudden
- Swift
- Whirlwind
- Whistle-stop
- Volant