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

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

Eventually all those instruments gave way to visuals that were more abstract — along with a few random shots of downhill LSD skiing — before landing firmly in the Milky Way. —Chris Willman, Variety, 17 May 2024

Notably, other Schedule I drugs that fall under that umbrella include heroin and LSD, according to the DEA. —Francisco Velasquez, Quartz, 16 May 2024

Inside lay a bundle of 40 sheets wrapped in a container of gold foil affixed with another image of the mouse, this time accompanied by the word ‘Sandoz’ – alerting the discerning buyer that the batch was most likely made from LSD synthesised by the original Swiss sorcerers. —Peter Rubin, Longreads, 14 May 2024

Traditional hurdles to studying cannabis Since the Controlled Substance Act was passed in 1970, the federal government has designated cannabis as a Schedule I substance, along with other drugs such as heroin and LSD. —Kevin F. Boehnke, The Conversation, 10 May 2024

Currently, cannabis is categorized next to heroin, methaqualone (Quaaludes), LSD and other substances in the Schedule I category, which also means the substances have a high abuse potential. —Julia Marnin, Miami Herald, 10 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