- Definitions|2
- Thesaurus|675
- Abbreviations|0
| cast-iron(adjective, firm, solid) | |
| chilly | |
| close-minded | |
| cold | |
| cold-hearted | |
| compact(adjective, set, strong, hard, firm) | |
| compacted(adjective, set, strong, hard, firm) | |
| compressed(adjective, set, strong, hard, firm) | |
| concentrated(adjective, set, strong, hard, firm) | |
| concrete | |
| consolidated(adjective, set, strong, hard, firm) | |
| critical | |
| dependable | |
| diamantine | |
| diamondlike(adjective, diamond, resembling) | |
| disciplinary(adjective, strong, hard, tough, sturdy) | |
| ferric(adjective, strong, hard, tough, sturdy) | |
| ferrous(adjective, strong, hard, tough, sturdy) | |
| forbidding(adjective, strong, hard, tough, sturdy) | |
| forgave |
For more, visit
Adamantine on
Power Thesaurus
| APA | Smart Define. (2015). adamantine thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/adamantine/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "adamantine thesaurus" https://smartdefine.org/adamantine/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, adamantine thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>. |
| MLA | Smart Define. "adamantine thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/adamantine/thesaurus/synonyms> |