1. Inflexibility
2. Stiffness
3. Rigour
4. Unyieldingness
5. Strictness
6. Firmness
7. Unbendingness
8. Intransigence
9. Dogmatism
10. Stricture
11. Obstinacy
12. Uncompromisingness
13. Unrelentingness
14. Imperviousness
15. Adamantness
16. Unflinchingness
17. Implacability
18. Unmodifiability
19. Unresponsiveness
20. Unchangeability
21. Unalterability
22. Unadaptability
23. Unflexibility
24. Inadaptability
25. Inalterability
26. Inexorability
27. Unbending
28. Unyielding
29. Unresilient
30. Unpliability

Finding the right synonym for a word can be difficult. Luckily, there are a few ideas to help you find the best words for your needs. One of the best ideas is to use other words for, or synonyms for, the word you are looking for. This is especially helpful if you are trying to find a synonym for a word like «rigidity». Other words for rigidity can be inflexibility, stiffness, rigour, unyieldingness, strictness, firmness, unbendingness, intransigence, dogmatism, and stricture, to name a few. These synonyms for rigidity can help you express yourself in different ways and add variety to your writing. Additionally, other words for rigidity can help you communicate more effectively and accurately. With these ideas, you can easily find the best words for your needs.