[ speyst-out ]
See synonyms for spaced-out on
  1. dazed or stupefied because of the influence of narcotic drugs: The spaced-out main characters are the primary feature of a stoner comedy.

  2. dreamily or eerily out of touch with reality or seemingly so; spacey: He was rushed to the hospital with signs of a concussion, including spaced-out and confused behavior.

Origin of spaced-out

An Americanism dating back to 1965–70; on the pattern of phrasal verbs with out marking completed action, such as tired out;space apparently by association with “outer space” as, metaphorically, a place outside normal consciousness
  • Also spaced [speyst] /speɪst/ . Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use spaced-out in a sentence

British Dictionary definitions for spaced out

spaced out

  1. slang intoxicated through or as if through taking a drug: Often shortened to: spaced

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