6 entries under obstacle topic. ×
| difficulty(noun, block, barrier) | |
| barrier(noun, block, difficulty) | |
| block(noun, difficulty, barrier) | |
| hindrance(noun, block, difficulty, barrier) | |
| impediment(noun, block, difficulty, barrier) | |
| obstruction(noun, block, difficulty, barrier) |
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| APA | Smart Define. (-0001). average speed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/average_speed/thesaurus/antonyms |
| Chicago | Smart Define. -0001. "average speed thesaurus" https://smartdefine.org/average_speed/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define -0001, average speed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/average_speed/thesaurus/antonyms>. |
| MLA | Smart Define. "average speed thesaurus" 30 November -0001. Web. 24 September 2026. <https://smartdefine.org/average_speed/thesaurus/antonyms> |