- Definitions|2
- Thesaurus|383
- Abbreviations|0
97 entries under adjective topic. ×
| sobering(tough, severe, important, significant) | |
| strictly business(expression, tough, severe, important) | |
| unamusing(tough, severe, important, significant) | |
| unhumorous(tough, severe, important, deep) | |
| wearing(hard, tough, rough, difficult) | |
| worrying(tough, severe, important, significant) | |
| awkward(difficult, demanding, grueling, problematical) | |
| back-breaking | |
| distressing(tough, rough, difficult, heavy) | |
| merciless(tough, rough, difficult, heavy) | |
| problematical(difficult, awkward, demanding, grueling) | |
| scabrous(tough, rough, difficult, heavy) | |
| terrible(tough, rough, difficult, heavy) | |
| testing(tough, severe, difficult, violent) | |
| unsparing(tough, rough, difficult, heavy) | |
| uphill battle(expression, tough, rough, difficult) | |
| wearying(tough, rough, difficult, heavy) |
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| APA | Smart Define. (2015). operose thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/operose/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, operose thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>. |
| MLA | Smart Define. "operose thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms> |