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.
Police then allegedly found 12 grams of methamphetamine, crack cocaine and clonazepam, Ventura said. Justin Muszynski, Hartford Courant, 2 Feb. 2026 Benzodiazepines Benzodiazepines include medications such as alprazolam, diazepam, and clonazepam. Jessica Swirble, Verywell Health, 5 Jan. 2026 Guy is their newest inductee, a 20something with an iffy American accent (Denton is Australian), a worrying clonazepam dependency, a fancy NYU law degree and — of most interest to the Talamasca — a rare ability to read minds. Angie Han, HollywoodReporter, 24 Oct. 2025 In 1975, clonazepam, aka Klonopin, came to market. P.e. Moskowitz september 11, Literary Hub, 11 Sep. 2025 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

Browse Nearby Words

Cite this Entry

“Clonazepam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clonazepam. Accessed 15 Feb. 2026.

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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