RichThesaurus
sleeper
sleeper
synonyms
tie
railroad tie
downer
tranquilizer
soporific
crosstie
sedative
depressant
narcotic
neuroleptic
opiate
sleeping car
wagon-lit
sleeping pill
trank
calmative
sleeper goby
stupefacient
bromide
slumberer
nightshirt
pajamas
dope
nightdress
nightie
unknown
spotter
spook
undercover agent
snoop
sleeping draft
underdog
chlordiazepoxide
spy
small chance
sleepy booger(s)
sleepy dust
thioridazine
sleeper hit
sleeping suit
temazepam
unlikely winner
sleepy
watcher
unlikelihood
sleeping pill/tablet
unexpected winner
sleepies
sleuth
tranq
more synonyms
sleeper
antonyms
stimulant