di·​az·​e·​pam dī-ˈa-zə-ˌpam How to pronounce diazepam (audio)
: a tranquilizer C16H13ClN2O used especially to relieve anxiety and tension and as a muscle relaxant

Example Sentences

Recent Examples on the Web Clonazepam is a benzodiazepine sedative, like diazepam (Valium) and others. Dr. Keith Roach, oregonlive, 8 Sep. 2022 The shipments contained at least 142 oxycodone tablets, 70 alprazolam tablets, 140 lorazepam tablets, 56 diazepam tablets and 56 Tylenol with codeine tablets. Taylor Pettaway, San Antonio Express-News, 24 Nov. 2021 Addiction to benzodiazepines -- a class of drugs that includes clonazepam (Klonopin), alprazolam (Xanax) and others, such as diazepam (Valium) -- is common. Dr. Keith Roach, oregonlive, 7 Aug. 2021 The young girl was also given a prescription for diazepam, or Valium. Russell Blair, courant.com, 12 May 2021 The curiosity of the mice who sniffed linalool mirrored that of mice who took the anti-anxiety medication diazepam. Jillian Mock, Popular Science, 25 Oct. 2018 Another 67 out of 156 critical acute drugs -- including diazepam, phenobarbital, lidocaine and acetaminophen -- are in short supply, the report said. Shelby Lin Erdman, CNN, 22 Oct. 2020 Toxicological testing of Rivera's body found caffeine, a therapeutic level of phentermine and low levels of amphetamine and diazepam in Rivera's system. Charles Trepany, USA TODAY, 12 Sep. 2020 But all types of nerve agent poisoning can be treated with standard antidotes such as atropine and diazepam. Robert Chilcott, Ars Technica, 5 Sep. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diazepam.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


benzodiazepine + -am (of unknown origin)

First Known Use

circa 1961, in the meaning defined above

Time Traveler
The first known use of diazepam was circa 1961

Dictionary Entries Near diazepam

Cite this Entry

“Diazepam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diazepam. Accessed 26 Nov. 2022.

Medical Definition



di·​az·​e·​pam dī-ˈaz-ə-ˌpam How to pronounce diazepam (audio)
: a synthetic tranquilizer C16H13ClN2O used especially to relieve anxiety and tension and as a muscle relaxant see valium

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