62 entries under noun topic. ×
| hitch(block, hinder, defect) | |
| holdup(block, hinder, defect) | |
| interruption(block, hinder, defect) | |
| lump(block, hinder, defect) | |
| membrane(block, hinder, defect) | |
| morass(block, hinder, defect) | |
| nuisance(block, hinder, defect) | |
| objection(block, hinder, defect) | |
| pad(block, hinder, defect) | |
| railing(block, hinder, defect) | |
| resistance(block, hinder, defect) | |
| restraint(block, hinder, defect) | |
| restriction(block, hinder, defect) | |
| retardation(block, hinder, defect) | |
| roadblock(block, hinder, defect) | |
| setback(block, hinder, defect) | |
| shyness(block, hinder, defect) | |
| stoppage(block, hinder, defect) | |
| waste catalyst(block, hinder, anticatalyst) | |
| embarrassment(hinder, impede, interrupt) |
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| APA | Smart Define. (2015). catalyst thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/catalyst/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "catalyst thesaurus" https://smartdefine.org/catalyst/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, catalyst thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/catalyst/thesaurus/antonyms>. |
| MLA | Smart Define. "catalyst thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/catalyst/thesaurus/antonyms> |