spacey

or spac·y

[ spey-see ]
/ ˈspeɪ si /

adjective, spac·i·er, spac·i·est.

Origin of spacey

An Americanism dating back to 1965–70; space + -ey1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for spacy (1 of 2)

spacey
/ (ˈspeɪsɪ) /

adjective spacier or spaciest

slang vague and dreamy, as if under the influence of drugs

Word Origin for spacey

C20: space + -ey

British Dictionary definitions for spacy (2 of 2)

Spacey
/ (ˈspeɪsɪ) /

noun

Kevin, original name Kevin Spacey Fowler . born 1959, US actor; films include Glengarry Glen Ross (1992), The Usual Suspects (1995), American Beauty (1999), which earned him an Academy Award, The Shipping News (2001), and Beyond the Sea (2004); artistic director of Old Vic Theatre Company, London, from 2003
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012