ve·​rap·​a·​mil və-ˈra-pə-ˌmil How to pronounce verapamil (audio)
: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride

Example Sentences

Recent Examples on the Web Finally, calcium channel blockers, like verapamil, may help prevent migraine with aura. Abigail Libers, SELF, 9 Mar. 2022 For some drugs, such as fexofenadine and verapamil, the PNECs are unknown because the calculations have not been done or are not publicly available. Natasha Gilbert, STAT, 11 Dec. 2019

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

Word History


perhaps from verap- (altered from letters of papaverine, from analogs of which the drug was developed) + am(ino) + (nitr)il(e)

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of verapamil was in 1967

Dictionary Entries Near verapamil

Cite this Entry

“Verapamil.” Dictionary, Merriam-Webster, Accessed 1 Feb. 2023.

Medical Definition


ve·​rap·​am·​il və-ˈrap-ə-ˌmil How to pronounce verapamil (audio)
: a calcium channel blocker that is administered in the form of its hydrochloride C27H38N2O4·HCl especially to treat hypertension and angina pectoris see calan

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