LSD is a very powerful illegal drug which makes the user see things that only exist in their mind.
LSD in British English
noun
lysergic acid diethylamide; a crystalline compound prepared from lysergic acid, used in experimental medicine and taken illegally as a hallucinogenic drug
Informal name (as an illegal hallucinogen): acid
L.S.D. in British English
or £.s.d. or l.s.d.
abbreviation for(in Britain, esp formerly)
librae, solidi, denarii
Word origin
Latin: pounds, shillings, pence
LSD in American English
(ˌɛlˌɛsˈdi)
noun
a crystalline compound, C15H15N2CON(C2H5)2, an amide of lysergic acid, used in the study of schizophrenia and other mental disorders and as a psychedelic drug: it produces hallucinations, delusions, etc. resembling those occurring in a psychotic state
: also LSD 25
Word origin
l(y)s(ergic acid) d(iethylamide)
L.S.D. in American English
l.s.d., or £.s.d.
pounds, shillings, pence
Word origin
L librae, solidi, denarii
Examples of 'LSD' in a sentence
LSD
He was wearing loose, baggy jeans and a viscose short-sleeve shirt with a pattern thought up on LSD.
Robert Wilson BLOOD IS DIRT (2002)
`Julie, if somebody did put LSD in your sandwich, what's the worst thing that could happen?