117 entries under idiom topic. ×
| safe and sound(expression, adjective, strong, stable) | |
| securely established | |
| set in your ways(expression, adjective, inflexible, unbending) | |
| solid knowledge(expression, knowledge) | |
| solid matter | |
| solidly built | |
| strong person | |
| take a set(expression, density) | |
| tar shale(expression, fuel) | |
| true to oneself(expression, perseverance) | |
| well conned(expression, knowledge) | |
| well educated(expression, knowledge) | |
| well founded(expression, truth) | |
| well grounded(expression, knowledge) | |
| well informed(expression, knowledge) | |
| well read(expression, knowledge) | |
| without reservation |
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| APA | Smart Define. (2016). solid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/solid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, solid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>. |
| MLA | Smart Define. "solid thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms> |