- Definitions|2
- Thesaurus|383
- Abbreviations|0
29 entries under weighty topic. ×
| laborious(adjective, work, hard, tough, severe) | |
| hard(adjective, tough, severe, rough, difficult) | |
| arduous(adjective, hard, tough, severe, rough) | |
| difficult(adjective, hard, tough, severe, rough) | |
| severe(adjective, hard, tough, difficult, violent) | |
| tough(adjective, hard, severe, rough, difficult) | |
| serious(adjective, hard, difficult, important, complex) | |
| grave(adjective, hard, tough, severe, difficult) | |
| heavy(adjective, tough, severe, rough, difficult) | |
| strenuous(adjective, hard, tough, severe, rough) | |
| formidable(adjective, tough, severe, rough, difficult) | |
| crucial(tough, severe, painful, problematic) | |
| deep(adjective, tough, severe, difficult, important) | |
| far-reaching(adjective, tough, severe, important, significant) | |
| fateful(adjective, tough, severe, important, significant) | |
| grim(tough, severe, problematic, trying) | |
| meaning business(expression, adjective, tough, severe, important) | |
| meaningful(adjective, tough, severe, important, significant) | |
| no joke(expression, adjective, tough, severe, important) | |
| no laughing matter(expression, adjective, idiom, tough, severe) |
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| APA | Smart Define. (2015). operose thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/operose/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, operose thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>. |
| MLA | Smart Define. "operose thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms> |