2
quieter
2
red
2
relaxant
2
sleeper
1
acid
1
addictive drug
1
alcohol
1
alleviative
1
amobarbital sodium
1
assuasive
1
ataraxic
1
barb
1
barbiturate pill
1
becalmer
1
benzodiazepine
1
black stuff
1
blue angel
1
blue devil
1
blue heaven
1
blue velvet
10 years ago|4k views|share |citing 
APASmart Define. (2016). tranquilizer thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tranquilizer/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquilizer thesaurus" https://smartdefine.org/tranquilizer/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, tranquilizer thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tranquilizer/thesaurus/synonyms>.
MLASmart Define. "tranquilizer thesaurus" 18 February 2016. Web. 21 September 2026. <https://smartdefine.org/tranquilizer/thesaurus/synonyms>