Meanings
plural pentobarbitals · alternative UK pentobarbitone
- countableuncountablemedicineA narcotic and sedative barbiturate drug (trademark Nembutal) formerly used to relieve insomnia.
In a pair of emergency legal filings, Ms. Pike’s lawyers said that while two syringes of pentobarbital, the lethal drug, had been administered, Ms. Pike had not lost consciousness. She still had a heartbeat, they said, and was audibly snoring.
2026 September 30, Emily Cochrane, Ann E. Marimow, “Tennessee Death Row Inmate Christa Pike Still Alive After Attempts to Execute Her, Lawyers Say”, in The New York Times, →ISSN1 more example
And lest anyone think traipsing through the gray and bleach-smelly execution chamber where triple homicide offenders are injected with pentobarbital isn't depressing enough, later they will stage a press conference in front of the gates of Captain Joe Byrd Cemetery, the parched plot of land where executed prisoners whose bodies family members prefer not to claim are buried.
2016, Christopher Kelly, The Pink Bus, Mapple Shade, New Jersey: Lethe Press, page 146Synonyms: equitensin, euthesate, nembutal
Synonyms & antonyms
nounA narcotic and sedative barbiturate drug (trademark Nembutal) formerly used to relieve insomnia.
More synonyms by meaning
nouna barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
pentobarbital. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pentobarbital
“pentobarbital.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pentobarbital. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “pentobarbital,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pentobarbital.
Source: pentobarbital on Wiktionary, CC BY-SA 4.0.