Synonyms|211Antonyms|22|Broader|4Narrower|15Related|67
12
sedative(adjective, inactivity, downer, calmative)
9
ataractic
8
sleeping pill(expression, idiom, inactivity, downer, calmative)
8
depressant(noun, adjective, sedative, downer, calmative)
8
tranquillizer
7
antidepressant(downer, calmative)
7
barbiturate(downer, calmative)
7
soporific(downer, calmative)
7
tranquilliser
6
calmative(downer, calmative)
6
opiate(noun, drug)
5
antianxiety agent(noun, expression, idiom)
5
ataractic drug(noun, expression, idiom)
5
hypnotic
5
narcotic(noun, sleep)
5
pacifier
5
placebo(downer, calmative)
5
soother
4
alleviator
4
analgesic
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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>