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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
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
The power and healing properties of psychedelics are now being examined for their therapeutic potential including the prosocial effects of MDMA, LSD and psilocybin.
—Photovogue, Vogue, 25 Sep. 2024
Since the 1960s and ’70s, when mushrooms and LSD were considered inseparable from the anti-war movement and hippie culture, psychedelic drugs have been culturally associated with the American left.
—Shayla Love, The Atlantic, 1 Nov. 2024
Related article Unforgettable photos of psychedelia and debauchery from the golden age of LSD
In small clinical trials, synthetic versions of the psychedelic have shown benefits in tackling cluster headaches, anxiety, anorexia, obsessive-compulsive disorder and various forms of substance abuse.
—Sandee Lamotte, CNN, 22 Oct. 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 8 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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