Synonyms|394Antonyms|4|Broader|31Narrower|8Related|173
1
railway car
1
rainbow
1
reefer
1
refrigerator car
1
remote possibility(noun, expression, unknown, doubtfulness, underdog)
1
rib
1
rod
1
scag
1
scout(noun, plant, agent, operative, informer)
1
secobarbital sodium
1
secret agent(noun, expression, plant, agent, operative)
1
secret service(noun, expression, plant, agent, operative)
1
sedative
1
shit
1
shoe
1
shore
1
skid
1
sleep-inducer
1
sleepers
1
sleeping
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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>