mind-expandern.
/ˈmʌɪndᵻkˌspandə/, /ˈmʌɪndɛkˌspandə/, U.S. /ˈmaɪndɪkˌspændər/, /ˈmaɪndɛkˌspændər/ Something that expands or (apparently) extends the capabilities of the mind; spec. a psychedelic drug. Also: a person who takes ‘mind-expanding’ drugs.
ΘΚΠ
the world > physical sensation > use of drugs and poison > an intoxicating drug > [noun] > hallucinogenic drug
delirifacient1842
deliriant1858
delirant1872
mind-expander1875
mind-changer1931
phantastica1931
hallucinogen1954
hallucinant1964
utopiate1964
mind-bender1967
1875 Pop. Sci. Monthly Nov. 117/1 What an eye-opener, and mind-expander, and tongue-loosener, half an hour of such work with a child is!
1900 Bull. N. Carolina Dept. Agric. Nov. 53 It is a nature-study laboratory on the farm, an eye opener, a mind expander, a genuine practical agricultural educator.
1970 Times 26 Mar. 7 Hallucinogenic..agents such as L.S.D., mescaline and other so-called mind-expanders.
1973 Black World Apr. 16/1 The play is truly a mind-expander.
1988 People (Electronic ed.) 26 Dec. Onetime mind-expander Timothy Leary signed a contract with Alcor to have his head removed after his death and frozen for possible resuscitation.
1995 Computing Canada (Electronic ed.) 24 May To me, the computer is a mind expander... It enhances our intellect. It makes the dumb smart and the smart smarter.
1999 J. Cope Repossessed 99 From now on, I was determined to keep the fuck away from mind-expanders before my brain petrified into baking powder.
This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1875