- Definitions|3
- Thesaurus|1.1k
- Abbreviations|0
111 entries under strong topic. ×
| cruel(adjective, hard, tough, sturdy) | |
| dyed-in-the-wool(adjective, set, hard, tough) | |
| fortified(adjective, firm, solid, true) | |
| hard-boiled(adjective, mean, hard, tough) | |
| hard-line(adjective, hard, tough, difficult) | |
| hard as nails(expression, adjective, idiom, calm) | |
| locked(adjective, secure, solid, steady) | |
| nailed(adjective, secure, solid, steady) | |
| robust(adjective, hard, secure, tough) | |
| safe and sound(expression, adjective, idiom, solid) | |
| solid as a rock(expression, adjective, idiom, firm) | |
| sound(adjective, secure, firm, solid) | |
| sure(adjective, firm, solid, true) | |
| unfluctuating(adjective, secure, firm, solid) | |
| unsparing(adjective, hard, tough, sturdy) | |
| astringent(adjective, hard, tough, sturdy) | |
| bitter(adjective, hard, tough, sturdy) | |
| bolted(secure, substantial, stable, unmoving) | |
| braced(secure, substantial, stable, unmoving) | |
| by the book(expression, adjective, idiom, hard) |
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| APA | Smart Define. (2015). immovable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, immovable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>. |
| MLA | Smart Define. "immovable thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms> |