- Definitions|0
- Thesaurus|281
- Abbreviations|1
| gray(clay, grey, heather) | |
| grey(clay, heather) | |
| grievous | |
| hard to please(expression, adjective, idiom, painstaking) | |
| hardboiled | |
| heather(clay, grey) | |
| heavy(adjective, strong, hard, tough, sturdy) | |
| heedful | |
| hypercritical | |
| immovable(adjective, strong, hard, tough, sturdy) | |
| imperious | |
| indomitable(adjective, strong, hard, tough, sturdy) | |
| industrious | |
| insensible(adjective, strong, hard, tough, sturdy) | |
| ironfisted(adjective, stiff, strict, demanding, disciplined) | |
| kosher(adjective, modest, polite, decent, moral) | |
| made of earth(expression, idiom, clay, grey, heather) | |
| mannerly(adjective, modest, polite, decent, moral) | |
| methodic(adjective, methodical) | |
| modest(polite, prim) |
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| APA | Smart Define. (2013). by the book thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/by_the_book/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "by the book thesaurus" https://smartdefine.org/by_the_book/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2013, by the book thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/by_the_book/thesaurus/synonyms>. |
| MLA | Smart Define. "by the book thesaurus" 19 May 2013. Web. 30 September 2026. <https://smartdefine.org/by_the_book/thesaurus/synonyms> |