clonazepam

noun

clo·​naz·​e·​pam klō-ˈna-zə-ˌpam How to pronounce clonazepam (audio)
: a benzodiazepine drug C15H10ClN3O3 used to prevent or control seizures especially in the treatment of epilepsy and to reduce anxiety in the treatment of panic disorder

Examples of clonazepam in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In 1975, clonazepam, aka Klonopin, came to market. — P.e. Moskowitz september 11, Literary Hub, 11 Sep. 2025 Police then allegedly found 12 grams of methamphetamine, crack cocaine and clonazepam, Ventura said. — Justin Muszynski, Hartford Courant, 2 Feb. 2026 In November, some lots of the antianxiety drug clonazepam were recalled after being mislabeled with an incorrect strength and National Drug Code on them. — Andrea Margolis, FOXNews.com, 15 Apr. 2025 Benzodiazepines Benzodiazepines include medications such as alprazolam, diazepam, and clonazepam. — Jessica Swirble, Verywell Health, 5 Jan. 2026 See All Example Sentences for clonazepam

Word History

Etymology

chlor- + phenyl + -azepam (as in diazepam)

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of clonazepam was in 1970

Rhymes for clonazepam

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Browse Nearby Words

clonal
clonazepam
clone
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Cite this Entry

“Clonazepam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clonazepam. Accessed 8 Jul. 2026.

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Medical Definition

clonazepam

noun
clo·​naz·​e·​pam (ˌ)klō-ˈnaz-ə-ˌpam How to pronounce clonazepam (audio)
: a benzodiazepine C15H10ClN3O3 used to prevent or control seizures especially in the treatment of epilepsy and to reduce anxiety in the treatment of panic disorder

Note: Clonazepam is marketed under the trademark Klonopin.

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