- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
59 entries under difficult topic. ×
| arduous(adjective, hard, tough, severe) | |
| laborious(adjective, hard, tough, severe) | |
| backbreaking(adjective, hard, tough, severe) | |
| heavy(adjective, hard, tough, severe) | |
| toilsome(adjective, hard, tough, severe) | |
| tiring(verb, adjective, hard, tough, severe) | |
| trying(verb, adjective, hard, tough) | |
| fatiguing(adjective, hard, tough, severe) | |
| painful(adjective, hard, tough, severe) | |
| severe(adjective, hard, tough, harsh) | |
| hard(adjective, severe, harsh, heavy) | |
| exhausting(adjective, hard, tough, severe) | |
| strenuous(adjective, hard, tough, severe) | |
| effortful(adjective, hard, tough, awkward) | |
| tough(adjective, hard, problematic, trying) | |
| bothersome(adjective, tough, awkward, grim) | |
| irksome(adjective, severe, harsh, heavy) | |
| onerous(adjective, hard, tough, heavy) | |
| wearing(adjective, awkward, demanding, trying) | |
| operose(adjective, hard, tough, awkward) |
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| APA | Smart Define. (2015). grueling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, grueling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>. |
| MLA | Smart Define. "grueling thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms> |