See more synonyms for way-out on Thesaurus.com
adjective Informal.
  1. advanced in style or technique: way-out jazz.
  2. exotic or esoteric in character: way-out theories on nutrition.

Origin of way-out

1950–55; adj. use of way out far off; see way2, out

way out

  1. the means by which a predicament, dilemma, etc., may be solved.
  2. Chiefly British. an exit or exit door, as in a theater.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for way-out


adjective informal
  1. extremely unconventional or experimental; avant-garde
  2. excellent or amazing
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