Synonyms|394Antonyms|4|Broader|31Narrower|8Related|173
1
dormouse
1
double agent(noun, expression, plant, agent, operative)
1
downer
1
dozer
1
drawing room
1
dreamer
1
emissary(noun, plant, agent, operative, mole)
1
espionage agent(noun, expression, plant, agent, operative)
1
eurostar
1
express car(expression, idiom, vehicle)
1
flat
1
flatcar
1
foreign agent(noun, expression, plant, agent, operative)
1
freight
1
freight car(expression, idiom, vehicle)
1
gondola
1
goofball
1
hard stuff
1
heel
1
heroin
For more, visit Sleeper on Power Thesaurus
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). sleeper thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sleeper/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleeper thesaurus" https://smartdefine.org/sleeper/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sleeper thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sleeper/thesaurus/synonyms>.
MLASmart Define. "sleeper thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sleeper/thesaurus/synonyms>