- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
59 entries under heavy topic. ×
| exacting(adjective, tough, severe, rough, difficult) | |
| harsh(adjective, hard, great, severe, rough) | |
| labored(adjective, tough, severe, difficult) | |
| ticklish(adjective, bad, hard, tough, difficult) | |
| hairy(adjective, bad, severe, rough, difficult) | |
| sticky(adjective, tough, rough, difficult) | |
| complicated(adjective, hard, tough, severe, rough) | |
| oppressive(adjective, difficult) | |
| painful(adjective, hard, tough, severe, difficult) | |
| rigorous(adjective, hard, tough, severe, rough) | |
| taxing(adjective, hard, tough, severe, rough) | |
| wearing(adjective, tough, rough, difficult) | |
| wearying(adjective, tough, rough, difficult) | |
| wicked(adjective, bad, nasty, delicate, unpleasant) | |
| abstruse(hard, intense, fierce, tricky) | |
| backbreaking(adjective, hard, tough, severe, rough) | |
| delicate(bad, hard, difficult, complex) | |
| distressing(adjective, bad, tough, severe, rough) | |
| exhausting(adjective, hard, tough, severe, rough) | |
| grinding(adjective, tough, severe, rough, difficult) |
For more, visit
Formidable on
Power Thesaurus
| APA | Smart Define. (2015). formidable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, formidable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>. |
| MLA | Smart Define. "formidable thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms> |