- Definitions|1
- Thesaurus|344
- Abbreviations|0
7 entries under milestone topic. ×
| revolutionary(adjective, new, original, radical, advanced) | |
| significant(adjective, momentous, landmark) | |
| breakthrough(noun, momentous, landmark) | |
| momentous(adjective, radical, innovative, landmark) | |
| radical(adjective, new, original, advanced, pioneering) | |
| historic(adjective, momentous, landmark) | |
| landmark |
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| APA | Smart Define. (2015). groundbreaking thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/groundbreaking/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "groundbreaking thesaurus" https://smartdefine.org/groundbreaking/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, groundbreaking thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/groundbreaking/thesaurus/synonyms>. |
| MLA | Smart Define. "groundbreaking thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/groundbreaking/thesaurus/synonyms> |