- Definitions|2
- Thesaurus|817
- Abbreviations|0
26 entries under sticky topic. ×
| difficult(adjective, hard, great, tough, awkward) | |
| awkward(adjective, difficult, contrary, demanding, tricky) | |
| problematical(adjective, difficult, awkward, demanding, tricky) | |
| knotty(adjective, difficult, complex, awkward, demanding) | |
| problematic(tough, severe, painful, tricky, trying) | |
| puzzling(adjective, tricky, stimulating) | |
| up for grabs(expression, idiom, tricky) | |
| arguable | |
| chancy | |
| debatable | |
| disputable | |
| doubtful | |
| dubious | |
| dubitable | |
| enigmatic | |
| iffy | |
| indecisive | |
| moot | |
| open | |
| precarious |
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| APA | Smart Define. (2016). challenging thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, challenging thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>. |
| MLA | Smart Define. "challenging thesaurus" 2 March 2016. Web. 24 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms> |