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

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

Anderson, a volunteer at the festival location, was allegedly high on multiple drugs, including PCP, LSD, ketamine, mushrooms and ecstasy, the sheriff's office said. —Elizabeth Pritchett, Fox News, 10 May 2024

But there are signs the FDA is getting closer to downgrading that status for psilocybin, LSD and MDMA. —Renée Reizman, Los Angeles Times, 8 May 2024

There was a Christmas album in 2018, and a genre-melting side-band with Diplo and the British singer Labrinth called LSD. —Jon Dolan, Rolling Stone, 3 May 2024

More than cocaine, methamphetamine, amphetamine, LSD, PCP, or alcohol. —Dr. Jeffrey Lieberman, TIME, 3 May 2024

Some who suffer from HPPD develop the disorder after years of using hallucinogenic drugs such as LSD and psilocybin mushrooms. —Connor Sheets, Los Angeles Times, 30 Apr. 2024

Cutler’s death was ruled an accident due to heat exposure and LSD — though that was disputed by experts hired by Cutler’s family, who said heat stroke along with ketamine caused his death. —Ryan J. Foley, Fortune, 29 Apr. 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