- Definitions|1
- Thesaurus|302
- Abbreviations|0
71 entries under adjective topic. ×
| grueling(hard, tough, difficult, awkward) | |
| painful(tough, severe, difficult, problematic) | |
| rigorous(tough, rough, difficult, harsh) | |
| rough(great, tough, difficult, heavy) | |
| strained(true, burdensome) | |
| taxing(heavy, burdensome) | |
| trying(verb, hard, tough, severe) | |
| operose(tough, severe, difficult, awkward) | |
| wearisome(tough, severe, difficult, awkward) | |
| challenging(verb, great, tough, severe) | |
| exhausting(hard, severe, rough, difficult) | |
| herculean(tough, severe, difficult, awkward) | |
| testing(noun, tough, difficult, awkward) | |
| tiring(tough, rough, difficult, heavy) | |
| troublesome(tough, severe, difficult, awkward) | |
| wearing(hard, tough, rough, difficult) | |
| wearying(tough, rough, difficult, heavy) | |
| bothersome(tough, severe, rough, difficult) | |
| complicated(hard, tough, severe, rough) | |
| contrived |
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| APA | Smart Define. (2015). effortful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/effortful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, effortful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/effortful/thesaurus/synonyms>. |
| MLA | Smart Define. "effortful thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/effortful/thesaurus/synonyms> |