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.
But there was one more ingredient that tied it all together — hallucinogens. Paul Smaglik, Discover Magazine, 5 May 2025 Ross, the medical examiner, testified Nichols did not have the hallucinogen in his system. CBS News, 1 May 2025 In the experiments, researchers treated mice with a single dose of a potent hallucinogen called 25CN-NBOH. Paul Smaglik, Discover Magazine, 22 Apr. 2025 While his precise motives for dosing his famous guests with a powerful hallucinogen are unknown, the Beatles themselves had their suspicions. Jordan Runtagh, People.com, 26 Apr. 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 23 May. 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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