[ noun out-bak; adjective, adverb out-bak ]
/ noun ˈaʊtˌbæk; adjective, adverb ˈaʊtˈbæk /


(sometimes initial capital letter) the back country or remote settlements; the bush (usually preceded by the).


of, relating to, or located in the back country: outback settlements.


in or to the back country: They moved outback many years ago.

Origin of outback

First recorded in 1875–80; out + back2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for out back


/ (ˈaʊtˌbæk) /


  1. the remote bush country of Australia
  2. (as modifier)outback life
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

Word Origin and History for out back



"back-country, interior regions of Australia," 1907, Australian English, originally an adverb, "out in the back settlements" (1878), from out + back (adv.).

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with out back

out back

see under out front.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.