Synonyms for Fast:
1. Swift
2. Quick
3. Rapid
4. Speedy
5. Express
6. Immediate
7. Accelerated
8. Blitz
9. Hasty
10. Prompt
11. Breakneck
12. Lightning
13. Instantaneous
14. Brisk
15. Nimble
16. Expeditious
17. Fleeting
18. Flying
19. Nippy
20. Snappy
21. Breakneck
22. Winged
23. Flying
24. Double-quick
25. Quick-witted
26. Promptly
27. Instantly
28. Expedited
29. Hurried
30. At full speed

Searching for synonyms for the word «fast» can be a great way to add variety to your writing or speech. There are many different words that can be used to express the same idea, and having a wide variety of options can help you find the perfect word to use in any situation. Whether you’re looking for a more formal word to use in a professional setting, or you just want to spice up your everyday conversation, there are plenty of synonyms for fast to choose from. Some of the best ideas include swift, quick, rapid, speedy, express, immediate, accelerated, blitz, hasty, and prompt. Each of these words can be used to express the same idea, but they can also be used in different contexts to add variety and interest to your writing. With so many synonyms for fast, you’re sure to find the perfect word to use in any situation!