1. Barrier
2. Hurdle
3. Block
4. Impediment
5. Restriction
6. Stumbling block
7. Difficulty
8. Hindrance
9. Obstruction
10. Problem
11. Check
12. Complication
13. Bar
14. Quandary
15. Catch
16. Challenge
17. Inhibition
18. Complication
19. Interference
20. Stoppage
21. Burden
22. Detour
23. Retardation
24. Interruption
25. Detriment
26. Setback
27. Drawback
28. Snag
29. Stoppage
30. Halt

When looking for other words for «obstacle», there are many options to choose from. Synonyms for this word can range from «barrier» to «challenge», depending on the context and how the word is being used. Whether you are looking for the best ideas or just an alternative to the word «obstacle», these 30 synonyms can help you find the perfect word for your needs. Whether you need to describe a physical roadblock or an abstract problem, these synonyms provide a wide range of options to choose from. With words such as «hurdle» and «impediment», you can easily find the perfect word to fit your sentence.