- Definitions|2
- Thesaurus|817
- Abbreviations|0
69 entries under demanding topic. ×
| troublesome(adjective, hard, tough, severe, difficult) | |
| unsparing(adjective, difficult, awkward, thorough) | |
| uphill(adjective, great, tough, severe, difficult) | |
| wearing(adjective, hard, tough, difficult, awkward) | |
| wearisome(adjective, tough, severe, difficult, awkward) | |
| wearying(adjective, difficult, awkward, grueling) | |
| backbreaking(adjective, difficult, awkward, strenuous) | |
| character-building | |
| complicated(adjective, difficult, complex, awkward) | |
| finicky(tough, thorough, problematic, trying) | |
| fussy(hard, tough, difficult, thorough) | |
| grim(adjective, tough, problematic, trying) | |
| grinding(adjective, difficult, awkward, grueling) | |
| grueling(adjective, tough, difficult, awkward, grim) | |
| hairy(adjective, difficult, awkward, strenuous) | |
| harsh(adjective, thorough, exacting, taxing) | |
| involved(adjective, difficult, complex, awkward) | |
| mean(adjective, difficult, awkward, strenuous) | |
| merciless(adjective, difficult, awkward, grueling) | |
| picky(tough, thorough, problematic, trying) |
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| APA | Smart Define. (2016). challenging thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, challenging thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>. |
| MLA | Smart Define. "challenging thesaurus" 2 March 2016. Web. 25 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms> |