hal·​o·​per·​i·​dol | \ ˌha-lō-ˈper-ə-ˌdȯl How to pronounce haloperidol (audio) , -ˌdōl \

Definition of haloperidol

: a depressant C21H23ClFNO2 of the central nervous system used especially as an antipsychotic drug

Examples of haloperidol in a Sentence

Recent Examples on the Web Also, most of the relevant antipsychotic/pregnancy research has been conducted on the typical antipsychotic haloperidol, which has not been concluded to lead to birth defects, the NIMH says. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 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 While this is a correlation rather than a causation, another study found that taking a substance called haloperidol, which disrupts dopamine’s effects within the brain, led to a measurable decrease in sensation seeking behaviour. Richard Stephens, Smithsonian, "The History and Psychology of Roller Coasters," 12 July 2018

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

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First Known Use of haloperidol

1960, in the meaning defined above

History and Etymology for haloperidol

hal- + piperidine + -ol entry 1

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Time Traveler for haloperidol

Time Traveler

The first known use of haloperidol was in 1960

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Statistics for haloperidol

Cite this Entry

“Haloperidol.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/haloperidol. Accessed 9 December 2019.

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More Definitions for haloperidol


halo·​per·​i·​dol | \ ˌhal-ō-ˈper-ə-ˌdȯl How to pronounce haloperidol (audio) , -ˌdōl How to pronounce haloperidol (audio) \

Medical Definition of haloperidol

: a butyrophenone antipsychotic drug C21H23ClFNO2 used especially to treat schizophrenia and to control the involuntary tics and vocalizations of Tourette's syndrome — see haldol

More from Merriam-Webster on haloperidol

Britannica.com: Encyclopedia article about haloperidol

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