102 entries under noun topic. ×

1
little opportunity(expression, unknown, doubtfulness, underdog)
1
long shot(expression, unknown, doubtfulness, underdog)
1
lookout(plant, agent, operative, informer)
1
mole(plant, agent, operative, informer)
1
nightgown
1
observer(plant, agent, operative, informer)
1
operative(plant, agent, mole, infiltrator)
1
outside chance(expression, unknown, doubtfulness, underdog)
1
outside shot(expression, unknown, doubtfulness, underdog)
1
pajamas
1
patrol(plant, agent, operative, informer)
1
picket(plant, agent, operative, informer)
1
plant(agent, operative, informer, mole)
1
poor bet(expression, unknown, doubtfulness, underdog)
1
poor lookout(expression, unknown, doubtfulness, underdog)
1
poor possibility(expression, unknown, doubtfulness, underdog)
1
poor prognosis(expression, unknown, doubtfulness, underdog)
1
poor prospect(expression, unknown, doubtfulness, underdog)
1
remote possibility(expression, unknown, doubtfulness, underdog)
1
scout(plant, agent, operative, informer)
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APASmart Define. (2015). sleeper thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sleeper/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleeper thesaurus" https://smartdefine.org/sleeper/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sleeper thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sleeper/thesaurus/synonyms>.
MLASmart Define. "sleeper thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/sleeper/thesaurus/synonyms>