2
draw
2
link
2
linkup
2
luggage van(expression, idiom, vehicle)
2
mail car(expression, idiom, vehicle)
2
mail van(expression, idiom, vehicle)
2
narcotic
2
necktie
2
pullman(noun, coach, carriage, wagon)
2
railway sleeper(expression, idiom)
2
red
2
roomette
2
sleepwalker
2
wow(noun, informal, thrive, dazzling)
1
agent(noun, plant, operative, informer, mole)
1
aid
1
alcohol
1
also-ran(noun, unknown, doubtfulness, underdog, improbability)
1
amobarbital sodium
1
analgesic
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). sleeper thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sleeper/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleeper thesaurus" https://smartdefine.org/sleeper/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, sleeper thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sleeper/thesaurus/synonyms>.
MLASmart Define. "sleeper thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/sleeper/thesaurus/synonyms>