LSD

noun
\ˌel-(ˌ)es-ˈdē \

Definition of LSD 

: 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

First Known Use of LSD

1950, in the meaning defined above

History and Etymology for LSD

German Lysergsäure-Diäthylamid lysergic acid diethylamide

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Dictionary Entries near LSD

LRV

LS

LSC

LSD

L-shaped

L-shell

LSI

Statistics for LSD

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Time Traveler for LSD

The first known use of LSD was in 1950

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More Definitions for LSD

LSD

noun

English Language Learners Definition of LSD

: an illegal drug that causes people to see and hear things that do not really exist

LSD

noun
\ˌel-ˌes-ˈdē \

Kids Definition of LSD

: a dangerous drug that causes hallucinations

LSD

noun
\ˌel-ˌes-ˈdē \

Medical Definition of LSD 

: 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

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More from Merriam-Webster on LSD

Rhyming Dictionary: Words that rhyme with LSD

Spanish Central: Translation of LSD

Nglish: Translation of LSD for Spanish Speakers

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