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 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 Rumors of water laced with hallucinogens being sold just outside of festival bounds were swirling by early evening Thursday, but undercover teams assigned to conduct surveillance could not confirm the distribution, Stratton. Jessi Roti, chicagotribune.com, "Lollapalooza day one arrests up, hospital trips down from previous years," 2 Aug. 2019 All-natural hallucinogens are consumed, long silences are observed and only after a while is there any shedding of blood, in a moment whose terror is held in check — and also strangely intensified — by an unmistakable sense of awe. San Diego Union-Tribune, "Review: In the unsettling ‘Midsommar,’ the nightmare unfolds in broad daylight," 3 July 2019 Drug use is declining The series depicts extensive drug use among teenagers, including cocaine, opioids and synthetic hallucinogens. New York Times, "The ‘Euphoria’ Teenagers Are Wild. But Most Real Teenagers Are Tame.," 23 June 2019 According to the Associated Press, no city funds will be allowed to enforce laws criminalizing the hallucinogens, and police officers will be able to focus on higher-priority investigations. Helen Murphy, PEOPLE.com, "Oakland, California, Becomes Second U.S. City to Decriminalize 'Magic Mushrooms'," 5 June 2019 Use of other illicit drugs — including cocaine, methamphetamine, heroin, ecstasy and hallucinogens — did not change substantially in the past year, according to the survey results. Karen Kaplan, The Seattle Times, "Vaping among teens spikes, luring new generation of kids into tobacco use," 18 Dec. 2018 Regarding high-risk substance use, the percentage of high school students who reported ever using certain illicit drugs -- cocaine, inhalants, heroin, meth, hallucinogens or ecstasy -- fell from 22.6% in 2007 to 14% in 2017. Jacqueline Howard, CNN, "Fewer teens having sex and using drugs, CDC survey finds," 14 June 2018

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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Statistics for hallucinogen

Last Updated

21 Sep 2019

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Time Traveler for hallucinogen

The first known use of hallucinogen was in 1954

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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

Comments on hallucinogen

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formidable, illustrious, or eminent

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