Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “LSD”

See all translations

LSD

noun [U] uk   /ˌel.esˈdiː/ ( slang acid) us  
an illegal drug that causes people who use it to see the world differently from the way it really is or to see things that do not really exist
Translations of “LSD”
in Spanish LSD…
in Korean 엘에스디(환각제)…
in Arabic عَقار الهَلوَسة…
in Portuguese LSD…
in Catalan LSD…
in Japanese LSD(麻薬の名前)…
in Italian LSD…
in Chinese (Traditional) 迷幻藥…
in Chinese (Simplified) 迷幻药…
(Definition of LSD from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of LSD?
Add Cambridge dictionaries to your browser to your website

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More