- Definitions|2
- Thesaurus|477
- Abbreviations|0
52 entries under adjective topic. ×
| continual | |
| definite | |
| difficult | |
| endurable | |
| enduring | |
| eternal | |
| everlasting | |
| indissoluble | |
| inflexible | |
| invincible | |
| laborious | |
| lasting | |
| long-lasting | |
| long-lived | |
| perdurable | |
| persistent | |
| protracted | |
| reliable | |
| resistant | |
| resolute |
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| APA | Smart Define. (2015). breakable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/breakable/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "breakable thesaurus" https://smartdefine.org/breakable/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, breakable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/breakable/thesaurus/antonyms>. |
| MLA | Smart Define. "breakable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/breakable/thesaurus/antonyms> |