25 entries under difficulty topic. ×
| aground | |
| at a loss(expression, idiom) | |
| at a nonplus(expression, idiom) | |
| at a standstill(expression, idiom) | |
| at bay(expression, idiom) | |
| aux abois(expression, idiom) | |
| driven to extremity(expression, idiom) | |
| graveled | |
| hard pressed(expression, idiom) | |
| hard set(expression, idiom) | |
| hard up(verb, phrasal verb) | |
| nonplused | |
| nonplussed | |
| pinched | |
| put to it(verb, phrasal verb) | |
| puzzled | |
| reduced to straits(expression, idiom) | |
| run hard(expression, idiom) | |
| set fast(expression, idiom) | |
| sorely pressed(expression, idiom) |
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| APA | Smart Define. (2015). tree thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/tree/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tree thesaurus" https://smartdefine.org/tree/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, tree thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/tree/thesaurus/synonyms>. |
| MLA | Smart Define. "tree thesaurus" 17 November 2015. Web. 20 September 2026. <https://smartdefine.org/tree/thesaurus/synonyms> |