Dictionary.com
Thesaurus.com
Showing results for barbiturate. Search instead for bargain rate.
Synonyms

barbiturate

American  
[bahr-bich-er-it, -uh-reyt, bahr-bi-toor-it, -eyt, -tyoor-] / bɑrˈbɪtʃ ər ɪt, -əˌreɪt, ˌbɑr bɪˈtʊər ɪt, -eɪt, -ˈtjʊər- /

noun

Pharmacology.
barbiturates plural
  1. any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.


barbiturate British  
/ -ˌreɪt, bɑːˈbɪtjʊrɪt /

noun

  1. a derivative of barbituric acid, such as phenobarbital, used in medicine as a sedative, hypnotic, or anticonvulsant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

barbiturate Scientific  
/ bär-bĭchər-ĭt /
  1. Any of a group of drugs that act as depressants of the central nervous system, are highly addictive, and are used primarily as sedatives and anticonvulsants. Phenobarbital and pentobarbital are examples of barbiturates.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of barbiturate

First recorded in 1925–30; barbitur(ic) + -ate 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The publication also quotes a medical expert who observed that pentobarbital, the single-drug barbiturate used in Black’s execution, “should cause rapid unconsciousness. It sounds like this did not occur.”

From Slate Aug. 8, 2025

Some switched to using a single drug, the barbiturate pentobarbital, which is a sedative and anticonvulsant often used before surgeries or to treat epilepsy.

From Scientific American Sep. 23, 2022

But conspiracists wondering why the deputy medical examiner who performed the autopsy found no barbiturate residue in the 36-year-old movie star’s stomach if she ingested the drugs orally were disappointed by the answers.

From Los Angeles Times Aug. 4, 2022

Stephen Gray’s deposition, taken last year and unsealed May 24, suggests Ohio may have a possible source of a barbiturate called pentobarbital through a compounding pharmacist.

From Washington Times Jun. 5, 2017

Under the policy, the state’s top prison official would be required, in one execution drug protocol, to use the barbiturate pentobarbital that’s obtained by lawyers for inmates or someone acting on their behalf.

From Seattle Times Feb. 17, 2017

The analysis focused on five categories of CNS-active medications: antidepressants with strong anticholinergic properties, antipsychotics, barbiturates, benzodiazepines, and non-benzodiazepine hypnotics.

From Science Daily Jan. 13, 2026

Mr Crew, who died aged 74, reportedly told nurses "I want to die today" before drinking water laced with barbiturates under the supervision of Dignitas.

From BBC Nov. 29, 2024

The Omsk region Ministry of Health announced Saturday that no signs of known toxins were found in Navalny’s system, including barbiturates, strychnine, synthetic poisons and oxybutyrates, used to treat conditions such as narcolepsy.

From Washington Post Aug. 22, 2020

Assistant Attorney General John Hadden said Oklahoma and other states have been forced to look for other drug alternatives after more commonly used short-acting barbiturates became scarce because of manufacturers’ opposition to the death penalty.

From Time Dec. 17, 2014

“All barbiturates put the brain to sleep by slowing down brain function,” said Dr. Mark A. Warner, president of the American Society of Anesthesiologists.

From New York Times Apr. 9, 2011

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training