179 entries under strong topic. ×
| heightened(intense, heavy, powerful, fierce) | |
| hulk(adjective, substantial, sturdy, compact) | |
| hunk(adjective, substantial, sturdy, compact) | |
| impassioned(powerful, penetrating) | |
| informal(adjective, sturdy, stout) | |
| intensified(powerful, penetrating) | |
| marked(powerful, penetrating) | |
| material(adjective, substantial, sturdy, compact) | |
| mortified(adjective, tough, severe, harsh) | |
| passionate(powerful, penetrating) | |
| protracted(difficult, powerful, penetrating, arduous) | |
| rock hard(expression, adjective, tough) | |
| seasoned(adjective, solid, stiff, unfeeling) | |
| severe passionate(expression, powerful, penetrating) | |
| shrill(harsh, powerful, loud, penetrating) | |
| steel(adjective, tough, sturdy, rigid) | |
| supreme(powerful, penetrating) | |
| undue(powerful, penetrating) | |
| vivid(powerful, penetrating) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |