Synonyms|72Antonyms|0|Broader|4Narrower|0Related|12
5
sodium thiopental
3
Luminal
3
phenobarbitone
3
purple heart
2
Purple Heart
2
red
1
alcohol
1
amobarbital sodium
1
analgesic
1
anodyne
1
barb
1
barbiturate
1
barbiturate pill
1
black stuff
1
blue angel
1
blue devil
1
blue heaven
1
blue velvet
1
calmative
1
chloral hydrate
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APASmart Define. (2015). phenobarbital thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/phenobarbital/thesaurus/synonyms
ChicagoSmart Define. 2015. "phenobarbital thesaurus" https://smartdefine.org/phenobarbital/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, phenobarbital thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/phenobarbital/thesaurus/synonyms>.
MLASmart Define. "phenobarbital thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/phenobarbital/thesaurus/synonyms>