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LSD
noun
: a semisynthetic illicit organic compound C20H25N3O derived from ergot that induces extreme sensory distortions, altered perceptions of reality, and intense emotional states, that may also produce delusions or paranoia, and that may sometimes cause panic reactions in response to the effects experienced
called also lysergic acid diethylamide
Examples of LSD in a Sentence
Recent Examples on the Web
The press release also said that the operation led to the seizure of a large amount of drugs such as marijuana, LSD, cocaine, psilocybin mushrooms, Adderall, and Xanax.
—Fernando Cervantes Jr., USA TODAY, 7 Dec. 2024
Childbirth, or going to war, or taking LSD, could be considered a transformative experience.
—Hannah Jocelyn, The New Yorker, 6 Dec. 2024
Over the course of 206 pages, Gibson tests MDMA in Hawaii and Arizona; LSD in Big Sur; psilocybin in Belize; and ayahuasca in Peru.
—Brian Steinberg, Variety, 3 Dec. 2024
In addition to the Boies case, the Drug Enforcement Administration has scheduled a hearing on the recommendation to reschedule marijuana from Schedule I, the same category as heroin and LSD, to Schedule III that same month.
—Will Yakowicz, Forbes, 6 Nov. 2024
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Word History
Etymology
borrowed from German, from Lysergsäure-Diäthylamid "lysergic acid diethylamide"
First Known Use
1950, in the meaning defined above
Dictionary Entries Near LSD
Cite this Entry
“LSD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/LSD. Accessed 23 Dec. 2024.
Kids Definition
LSD
noun
: an illegal drug that causes abnormal sensations, extreme and changeable states of emotion, unnatural changes in the way time and space are experienced, and hallucinations and that may sometimes cause panic in response to the effects experienced
Medical Definition
LSD
noun
: a semisynthetic illicit organic compound C20H25N3O derived from ergot that induces extreme sensory distortions, altered perceptions of reality, and intense emotional states, that may also produce delusions or paranoia, and that may sometimes cause panic reactions in response to the effects experienced
called also acid, lysergic acid diethylamide, lysergide
More from Merriam-Webster on LSD
Britannica.com: Encyclopedia article about LSD
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