- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
108 entries under severe topic. ×
| formidable(adjective, tough, difficulty, rough) | |
| exacting(adjective, dull, hard, tough) | |
| grueling(adjective, hard, tough, difficult) | |
| Herculean(adjective, strong, hard, tough) | |
| rigorous(adjective, hard, tough, rough) | |
| not easy(expression, idiom, tough, difficulty) | |
| bothersome(adjective, tough, difficult, awkward) | |
| challenging(adjective, great, tough, difficult) | |
| difficile(adjective, tough, rough, difficult) | |
| hairy(adjective, hard, rough, difficult) | |
| irritating(adjective, dull, tough, boring) | |
| mean(adjective, hard, rough, difficult) | |
| no picnic(expression, tough, rough, difficult) | |
| terrible(adjective, hard, tough, rough) | |
| testing(adjective, tough, difficult, violent) | |
| threatening(hard, tough, offensive, weighty) | |
| titanic(tough, painful, problematic, trying) | |
| unpleasant(hard, difficult, tender, offensive) | |
| worrying(adjective, tough, important, significant) | |
| alarming(hard, offensive, distressing, upsetting) |
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| APA | Smart Define. (2016). laborious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, laborious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>. |
| MLA | Smart Define. "laborious thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms> |