1. Challenging
2. Arduous
3. Tough
4. Laborious
5. Burdensome
6. Problematic
7. Complicated
8. Intricate
9. Formidable
10. Exacting
11. Demanding
12. Herculean
13. Insurmountable
14. Prohibitive
15. Unmanageable
16. Unwieldy
17. Involved
18. Problematical
19. Complex
20. Grueling
21. Rugged
22. Strenuous
23. Demanding
24. Wearisome
25. Perplexing
26. Involuntary
27. Demanding
28. Unpleasant
29. Exigent
30. Intimidating

Finding the right words to express yourself can be difficult, but having a list of synonyms for the word «difficult» can help. Whether you’re writing a paper for school or just trying to express yourself in a meaningful way, having a list of synonyms can provide the best ideas. Synonyms for the word «difficult» include challenging, arduous, tough, laborious, burdensome, problematic, complicated, intricate, formidable, exacting, demanding, Herculean, insurmountable, prohibitive, unmanageable, unwieldy, involved, problematical, complex, grueling, rugged, strenuous, demanding, wearisome, perplexing, involuntary, demanding, unpleasant, exigent, and intimidating. With this list of synonyms, you can find the right words to express yourself with ease.