tranquillizer
noun
[ ˈtraŋkwɪlʌɪzə ]
• a medicinal drug taken to reduce tension or anxiety.
Similar:
sedative,
calmative,
depressant,
opiate,
neuroleptic,
sleeping pill,
soporific,
drug,
narcotic,
barbiturate,
temazepam,
diazepam,
chlordiazepoxide,
chlorpromazine,
meprobamate,
benzodiazepine,
thioridazine,
prochlorperazine,
downer,
trank,
sleeper,
Valium,
Librium,
bromide,