1. Preempt
2. Anticipate
3. Preclude
4. Avert
5. Preemptive
6. Abort
7. Hinder
8. Obviate
9. Counteract
10. Stave off
11. Check
12. Thwart
13. Stem
14. Wards off
15. Fend off
16. Obstruct
17. Foil
18. Forefend
19. Foreclose
20. Preclude
21. Interdict
22. Bar
23. Arrest
24. Discourage
25. Head off
26. Abridge
27. Stymie
28. Frustrate
29. Disallow
30. Nullify

Finding the best synonyms for the word ‘forestall’ can be a challenge. Whether you’re writing a research paper, an article, or a blog post, having a variety of other words for ‘forestall’ can be a great way to keep your writing fresh and interesting. Here are some of the best ideas for synonyms for ‘forestall’: preempt, anticipate, preclude, avert, preemptive, abort, hinder, obviate, counteract, stave off, check, thwart, stem, wards off, fend off, obstruct, foil, forefend, foreclose, interdict, bar, arrest, discourage, head off, abridge, stymie, frustrate, disallow, and nullify. With this list of synonyms for ‘forestall’, you can be sure to find the perfect word to fit your writing needs.