20 entries under noun topic. ×
| opening(adjective, last, concluding, unequalable) | |
| beginning | |
| aperture | |
| breach | |
| chance | |
| chasm | |
| commencement | |
| crack | |
| crevice | |
| door | |
| entrance | |
| entry | |
| fissure | |
| gap | |
| hiatus | |
| hole | |
| mouth | |
| occasion | |
| onset | |
| rift |
For more, visit
Ultimate on
Power Thesaurus
| APA | Smart Define. (2015). ultimate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ultimate/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "ultimate thesaurus" https://smartdefine.org/ultimate/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, ultimate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ultimate/thesaurus/antonyms>. |
| MLA | Smart Define. "ultimate thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/ultimate/thesaurus/antonyms> |