LSD

noun

ˌel-(ˌ)es-ˈdē 

: 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 recent decades, hundreds of new synthetic psychoactive substances have hit the market in such products, including many new phenethylamines and tryptamines, which are chemically related to LSD and psilocybin. —Beth Mole, Ars Technica, 20 June 2024

Here, the pair of them trip on LSD while watching the Apollo 12 launch. —Hilton Dresden, The Hollywood Reporter, 14 June 2024

Investors and scientists have doubled down on the sector in recent years and funneled billions into drugs like psilocybin, ketamine, and LSD. —Will Stone, NPR, 13 June 2024

My wife said that taking him for a walk in those early days was like tripping on LSD. —James Parker, The Atlantic, 13 June 2024

Enlarge ullstein bild / Getty Images News Federal authorities have arrested a 23-year-old Taiwanese national and charged him with running an online market that sold $100 million worth of illicit narcotics, including fentanyl, cocaine, methamphetamine, heroin, LSD, and ketamine. —Dan Goodin, Ars Technica, 21 May 2024

Psychoactive drugs like ketamine, MDMA, mushrooms and LSD are having a moment During the Psychopharmacologic Drugs Advisory Committee's daylong meeting, panelists questioned gaps in data from studies submitted by drugmaker Lykos Therapeutics. —Alexander Tin, CBS News, 4 June 2024

Hallucinogens in Mental Health: Preclinical and Clinical Studies on LSD, Psilocybin, MDMA, and Ketamine Scientific Reports. —Lily Carey, Discover Magazine, 31 May 2024

The two reportedly met up twice, and Shepard paid the girl with cash and the hallucinogen LSD, according to police. —Nate Gartrell, The Mercury News, 17 May 2024

Word History

Etymology

borrowed from German, from Lysergsäure-Diäthylamid "lysergic acid diethylamide"

First Known Use

1950, in the meaning defined above

Kids Definition

LSD

noun

ˌel-ˌes-ˈdē 

: 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

ˌel-ˌes-ˈdē 

: 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