per·​phe·​na·​zine | \ (ˌ)pər-ˈfē-nə-ˌzēn How to pronounce perphenazine (audio) , -ˈfe-\

Definition of perphenazine

: a phenothiazine tranquilizer C21H26ClN3OS that is used especially to control psychotic symptoms (such as anxiety and agitation)

Examples of perphenazine in a Sentence

Recent Examples on the Web

First-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine, the NIMH says. Korin Miller, SELF, "5 Bipolar Disorder Treatments You Should Know About," 30 Nov. 2018

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

First Known Use of perphenazine

1957, in the meaning defined above

History and Etymology for perphenazine

blend of piperazine and phen-

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Time Traveler for perphenazine

The first known use of perphenazine was in 1957

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More Definitions for perphenazine


per·​phen·​a·​zine | \ (ˌ)pər-ˈfen-ə-ˌzēn How to pronounce perphenazine (audio) \

Medical Definition of perphenazine

: a phenothiazine tranquilizer C21H26ClN3OS used especially to control symptoms (as anxiety, agitation, and delusions) of psychotic conditions

Comments on perphenazine

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to wander slowly or to speak indistinctly

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