1. Promptly
2. Now
3. Instantly
4. Directly
5. Quickly
6. At once
7. On the spot
8. Prompt
9. Right away
10. Rapidly
11. Speedily
12. Urgently
13. Instanter
14. Posthaste
15. Quick
16. Forthwith
17. At a stroke
18. At the double
19. At once and without delay
20. In a jiffy
21. In no time
22. In short order
23. In the twinkling of an eye
24. On the double
25. Pronto
26. Swifty
27. In a flash
28. Like a shot
29. In a moment
30. In a trice

Finding the right words to express yourself in any situation can be difficult. For those who need help finding synonyms for the word “immediately”, there are many ideas to choose from. Whether you need a single word or a phrase to express the same sentiment, a quick search will provide you with the best options. Synonyms for “immediately” include “promptly”, “now”, “instantly”, “directly”, and “quickly”. Other words for “immediately” include “at once”, “on the spot”, “prompt”, and “right away”. For those who prefer phrases, “at a stroke”, “at the double”, and “at once and without delay” are all good ideas. No matter which option you choose, you can be sure to find the perfect word or phrase to express the idea of “immediately”.