1. Severe
2. Stern
3. Hard
4. Rigorous
5. Strict
6. Harsh
7. Spartan
8. Unyielding
9. Uncompromising
10. Ascetic
11. Draconian
12. Unrelenting
13. Exacting
14. Unbending
15. Grim
16. Sober
17. Spare
18. Unadorned
19. Unmellowed
20. Unembellished
21. Unornamented
22. Dispassionate
23. Unflinching
24. Unmoved
25. Unaffected
26. Unemotional
27. Impersonal
28. Unfeeling
29. Unsympathetic
30. Unmerciful

Finding the right words to express a certain concept can be difficult, especially when the concept is as abstract as austere. If you’re looking for a way to express austere without using the same word, you’ve come to the right place. Here, we’ve compiled a list of 30 synonyms for austere, including words like severe, harsh, and strict. Whether you’re writing a paper or having a conversation, these synonyms can help you find the perfect words to express austere. With this list of other words for austere, you’ll have the best ideas for expressing the concept in any context.