117 entries under idiom topic. ×
| firmly established(expression, stability) | |
| firmly seated(expression, stability) | |
| full of energy | |
| glance coal(expression, fuel) | |
| going to great lengths(expression, thoughtful, sober, prudent) | |
| hale and hearty(expression, fit, healthy, well) | |
| hard and fast(expression, adjective, firm, stiff) | |
| hard boiled | |
| hard stone | |
| heavy duty | |
| honest to God(expression, honest, convincing, believable) | |
| in essence | |
| in fine fettle(expression, strong, fit, healthy) | |
| in good condition(expression, strong, fit, healthy) | |
| in good health(expression, fit, healthy, well) | |
| in good shape(expression, strong, fit, healthy) | |
| in rugged | |
| in situ | |
| in the bag(expression, strong, certain, definite) | |
| in the flesh(expression, physical, material, actual) |
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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> |