- Definitions|1
- Thesaurus|748
- Abbreviations|0
32 entries under solid topic. ×
| tough(adjective, strong, firm, stiff) | |
| flinty(adjective, strong, hard, firm) | |
| impenetrable(adjective, firm, stiff, rigid) | |
| rigid(adjective, strong, hard, severe, firm) | |
| firm(adjective, strong, hard, tough, severe) | |
| hard(adjective, strong, severe, firm, harsh) | |
| resistant(adjective, strong, hard, tough) | |
| tight(adjective, strong, hard, tough) | |
| strong(adjective, hard, firm, stiff) | |
| harsh(adjective, severe, firm, stiff) | |
| stiff(adjective, strong, hard, severe, firm) | |
| definite(adjective, severe, firm, harsh) | |
| inflexible(adjective, strong, hard, severe, firm) | |
| resilient(adjective, strong, hard, stiff) | |
| set(adjective, severe, firm, harsh) | |
| molded(adjective, strong, hard, stiff) | |
| brawny(adjective, strong, hard, stiff) | |
| cohesive(adjective, strong, hard, stiff) | |
| conditioned(adjective, strong, hard, stiff) | |
| dense(adjective, strong, hard, firm) |
For more, visit
Unbreakable on
Power Thesaurus
| APA | Smart Define. (2016). unbreakable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unbreakable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unbreakable thesaurus" https://smartdefine.org/unbreakable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, unbreakable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unbreakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unbreakable thesaurus" 5 January 2016. Web. 21 September 2026. <https://smartdefine.org/unbreakable/thesaurus/synonyms> |