hallucinogen

noun

hal·​lu·​ci·​no·​gen hə-ˈlü-sə-nə-jən How to pronounce hallucinogen (audio)
: a substance that induces hallucinations
hallucinogenic adjective or noun

Examples of hallucinogen in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Once, Diddy asked Paul to test some 2-C, which is a hallucinogen. Victoria Bekiempis, Vulture, 21 June 2025 And if that takes a hallucinogen or three, so be it. Randall Colburn, EW.com, 21 May 2025 Ketamine is known as a dissociative anesthetic or dissociative hallucinogen. David Oliver, USA Today, 16 May 2025 People of the neighboring state of Tiwanaku were known to mix such hallucinogens with alcohol, specifically maize beer. ArsTechnica, 5 May 2025 See All Example Sentences for hallucinogen

Word History

Etymology

hallucination + -o- + -gen

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of hallucinogen was in 1954

Browse Nearby Words

Cite this Entry

“Hallucinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallucinogen. Accessed 10 Jul. 2025.

Kids Definition

hallucinogen

noun
hal·​lu·​ci·​no·​gen hə-ˈlü-sə-nə-jən How to pronounce hallucinogen (audio)
: a drug that causes hallucinations
hallucinogenic adjective

Medical Definition

hallucinogen

noun
hal·​lu·​ci·​no·​gen hə-ˈlüs-ᵊn-ə-jən How to pronounce hallucinogen (audio)
: a substance and especially a drug that induces hallucinations

More from Merriam-Webster on hallucinogen

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