- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
104 entries under tough topic. ×
| wearisome(adjective, severe, difficult, awkward) | |
| wearying(adjective, rough, difficult, heavy) | |
| backbreaking(adjective, hard, severe, rough) | |
| bothersome(adjective, severe, difficult, awkward) | |
| difficile(adjective, severe, rough, difficult) | |
| distressing(adjective, bad, severe, rough) | |
| exhausting(adjective, hard, severe, rough) | |
| fateful(adjective, severe, important, significant) | |
| grievous(adjective, severe, difficult, unpleasant) | |
| grinding(adjective, severe, rough, difficult) | |
| intricate(adjective, hard, severe, difficult) | |
| slavish(adjective, rough, difficult, heavy) | |
| tiring(adjective, hard, severe, rough) | |
| baffling(hard, delicate, complex, tricky) | |
| deep(adjective, hard, severe, delicate) | |
| far-reaching(adjective, severe, important, significant) | |
| fatiguing(adjective, hard, severe, rough) | |
| grueling(adjective, hard, severe, difficult) | |
| irksome(adjective, severe, difficulty, rough) | |
| major(adjective, severe, unpleasant, important) |
For more, visit
Formidable on
Power Thesaurus
| APA | Smart Define. (2015). formidable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, formidable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>. |
| MLA | Smart Define. "formidable thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms> |