- Definitions|3
- Thesaurus|610
- Abbreviations|0
102 entries under noun topic. ×
| boff(slang, thrive, dazzling) | |
| boffo(slang, thrive, dazzling) | |
| boffola(slang, thrive, dazzling) | |
| connection | |
| dark horse(expression, idiom, possibility) | |
| detective(plant, agent, operative, informer) | |
| double agent(expression, plant, agent, operative) | |
| dreamer | |
| emissary(plant, agent, operative, mole) | |
| espionage agent(expression, plant, agent, operative) | |
| eurostar | |
| foreign agent(expression, plant, agent, operative) | |
| hit(thrive, dazzling) | |
| hundred-to-one shot(expression, unknown, doubtfulness, underdog) | |
| improbability(unknown, doubtfulness, underdog, also-ran) | |
| informer(plant, agent, operative, mole) | |
| inside agent(expression, plant, agent, operative) | |
| intelligencer(plant, agent, spy, operative) | |
| investigator(plant, agent, operative, informer) | |
| little chance(expression, unknown, doubtfulness, underdog) |
For more, visit
Sleeper on
Power Thesaurus
| APA | Smart Define. (2015). sleeper thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sleeper/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleeper thesaurus" https://smartdefine.org/sleeper/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, sleeper thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sleeper/thesaurus/synonyms>. |
| MLA | Smart Define. "sleeper thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sleeper/thesaurus/synonyms> |