hal·​lu·​ci·​no·​gen | \ hə-ˈlü-sə-nə-jən How to pronounce hallucinogen (audio) \

Definition of hallucinogen

: a substance that induces hallucinations

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Other Words from hallucinogen

hallucinogenic \ hə-​ˌlü-​sə-​nə-​ˈje-​nik How to pronounce hallucinogenic (audio) \ adjective or noun

Examples of hallucinogen in a Sentence

Recent Examples on the Web The episode is largely centered around the goop troop revealing personal traumas, talking about using psychedelics, experiencing the effects of hallucinogens, and offering some revelations. Jennifer Gunter, STAT, "Goop’s pseudoscience ministry comes to Netflix," 17 Jan. 2020 All three men also attempted to manufacture a hallucinogen known as DMT inside the apartment, the complaint said. NBC News, "Days before Virginia gun rally, FBI arrests 3 alleged white supremacists," 15 Jan. 2020 Cassell noted that many common foods can become toxic in large quantities — including nutmeg, which can become a hallucinogen or the alkaloids in potatoes, which can be toxic. N'dea Yancey-bragg, USA TODAY, "Eating too much black licorice can be dangerous. Should you be worried this Halloween?," 31 Oct. 2019 The vote makes Oakland the second U.S. city to legalize the natural hallucinogens after Denver decriminalized them on May 8. Marco Della Cava, USA TODAY, "Oakland, Calif. legalizes magic mushrooms and peyote," 5 June 2019 Walker’s charges include operating a drug factory, possession of hallucinogens and possession with intent to sell, according to police, who also have warrants for his arrest on parole violations. Christine Dempsey, courant.com, "Parolee arrested in PCP bust on South Whitney Street in Hartford, police say," 8 Oct. 2019 The fame and ensuing hallucinogen experimentations led to doomed affairs with many women, including a torturous relationship with iconic singer-songwriter Joni Mitchell. Mara Reinstein, Billboard, "'David Crosby: Remember My Name' Is a Bittersweet, Insightful Look at a Legend in His Final Act: Review," 10 July 2019 The stories associated with hallucinogens, however, were very similar to one another, as were stories linked to antipsychotics and deliriants. Robert Martone, Scientific American, "New Clues Found in Understanding Near-Death Experiences," 10 Sep. 2019 Brendan Dolan-King, 23, was charged on Friday in Clearwater after police searched his apartment in June and discovered fentanyl and five orange pills shaped like Trump's head, which were later found to contain the hallucinogen MDMA, or ecstasy. Washington Post, "School reopens probe of Nazi salute video," 23 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hallucinogen.' 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 hallucinogen

1954, in the meaning defined above

History and Etymology for hallucinogen

hallucination + -o- + -gen

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Time Traveler for hallucinogen

Time Traveler

The first known use of hallucinogen was in 1954

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Statistics for hallucinogen

Last Updated

23 Feb 2020

Cite this Entry

“Hallucinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallucinogen. Accessed 24 Feb. 2020.

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More Definitions for hallucinogen


How to pronounce hallucinogen (audio)

English Language Learners Definition of hallucinogen

: a substance (such as a drug) that causes people to see or sense things that are not real : a substance that causes hallucinations


hal·​lu·​ci·​no·​gen | \ hə-ˈlü-sə-nə-jən How to pronounce hallucinogen (audio) \

Kids Definition of hallucinogen

: a drug that causes hallucinations

Other Words from hallucinogen

hallucinogenic \ hə-​ˌlü-​sə-​nə-​ˈje-​nik \ adjective


hal·​lu·​ci·​no·​gen | \ hə-ˈlüs-ᵊn-ə-jən How to pronounce hallucinogen (audio) \

Medical Definition of hallucinogen

: a substance and especially a drug that induces hallucinations

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More from Merriam-Webster on hallucinogen

Spanish Central: Translation of hallucinogen

Nglish: Translation of hallucinogen for Spanish Speakers

Britannica.com: Encyclopedia article about hallucinogen

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