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barbiturate

[bahr-bich-er-it, -uh-reyt, bahr-bi-toor-it, -eyt, -tyoor-] / bɑrˈbɪtʃ ər ɪt, -əˌreɪt, ˌbɑr bɪˈtʊər ɪt, -eɪt, -ˈtyʊər- /
NOUN
sedative
Synonyms
STRONGEST
medication narcotic opiate sleeping pill
STRONG
analgesic anodyne depressant dope downer drug hypnotic pacifier tranquillizer
WEAK
calmant calmative knockout pill nerve medicine pain pill pain-killer quietive
Antonyms
WEAK
antidepressant
NOUN
sleeping pill
Synonyms
STRONGEST
sedative
WEAK
benzodiazepine bromide hypnotic nightcap sedative-hypnotic sleeping tablet soporific

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.