- Definitions|1
- Thesaurus|302
- Abbreviations|0
71 entries under adjective topic. ×
| difficult(hard, great, tough, rough) | |
| hard(great, tough, difficult, harsh) | |
| laborious(hard, great, tough, rough) | |
| strenuous(hard, great, tough, rough) | |
| arduous(hard, great, tough, rough) | |
| formidable(tough, severe, difficult, heavy) | |
| heavy(tough, severe, difficult, harsh) | |
| labored(hard, great, tough, rough) | |
| onerous(great, tough, rough, difficult) | |
| tough(great, severe, rough, difficult) | |
| severe(tough, rough, difficult, harsh) | |
| backbreaking(hard, severe, rough, difficult) | |
| burdensome(tough, severe, rough, difficult) | |
| uphill(great, tough, severe, difficult) | |
| demanding(tough, severe, difficult, harsh) | |
| forced | |
| knotty(hard, tough, severe, rough) | |
| oppressive(heavy, burdensome) | |
| toilsome(hard, great, tough, severe) | |
| exacting(tough, severe, difficult, harsh) |
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| APA | Smart Define. (2015). effortful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/effortful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, effortful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/effortful/thesaurus/synonyms>. |
| MLA | Smart Define. "effortful thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/effortful/thesaurus/synonyms> |