- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
275 entries under adjective topic. ×
| difficult(dull, hard, great, tough) | |
| hard(dull, great, tough, easy) | |
| laborious(dull, hard, great, tough) | |
| tough(dull, hard, great, easy) | |
| toilsome(hard, great, tough, difficulty) | |
| burdensome(dull, hard, tough, severe) | |
| severe(hard, tough, rough, difficult) | |
| painful(hard, difficult, complex, painful) | |
| strenuous(dull, great, tough, severe) | |
| operose(hard, tough, severe, difficulty) | |
| rough(hard, great, tough, severe) | |
| backbreaking(hard, difficult, heavy, complex) | |
| trying(dull, hard, tough, severe) | |
| rugged(hard, severe, rough, difficult) | |
| complex(hard, difficult, tedious, demanding) | |
| grievous(hard, difficult, complex, painful) | |
| oppressive(dull, hard, tough, severe) | |
| punishing(hard, difficult, complex) | |
| sore(hard, difficult, complex, painful) | |
| taxing(hard, tough, severe, rough) |
For more, visit
Arduous on
Power Thesaurus
| APA | Smart Define. (2016). arduous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, arduous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>. |
| MLA | Smart Define. "arduous thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms> |