1. Difficult
2. Rigorous
3. Strenuous
4. Laborious
5. Demanding
6. Exacting
7. Formidable
8. Herculean
9. Intense
10. Onerous
11. Severe
12. Stiff
13. Tough
14. Arduous
15. Backbreaking
16. Burdensome
17. Challenging
18. Draining
19. Grueling
20. Hard-hitting
21. Heavy
22. Labor-intensive
23. Onerous
24. Painstaking
25. Strenuous
26. Stringent
27. Testing
28. Toilsome
29. Wearisome
30. Exigent
Finding synonyms for the word “hard” can be a difficult task. Whether you’re looking for the best ideas or other words for “hard”, this list of 30 synonyms provides a comprehensive range of alternatives. From “difficult” and “rigorous” to “formidable” and “herculean”, this list of synonyms for “hard” is sure to help you find the perfect word for any situation. With this list of synonyms, you can easily find a replacement for “hard” that best suits your needs.