10 entries under noun topic. ×
| hopeless case | |
| bootless errand | |
| merry chase | |
| red herring | |
| snipe hunt | |
| vain attempt | |
| waste of time(expression, idiom) | |
| wasted effort | |
| wasted labor | |
| wild-goose chase |
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| APA | Smart Define. (2011). lost cause thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lost_cause/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "lost cause thesaurus" https://smartdefine.org/lost_cause/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2011, lost cause thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lost_cause/thesaurus/synonyms>. |
| MLA | Smart Define. "lost cause thesaurus" 24 May 2011. Web. 25 September 2026. <https://smartdefine.org/lost_cause/thesaurus/synonyms> |