Princeton's WordNet

1. outback(adj)

   the bush country of the interior of Australia

2. outback(a), remote(adj)

   inaccessible and sparsely populated;

Wiktionary

1. outback(Noun)

   The most remote and desolate areas of Australia; the desert and areas too arid for growing crops.

2. outback(Adverb)

   To or towards the most remote and desolate areas of Australia.

3. outback(Adjective)

   Characteristic of the most remote and desolate areas of Australia; very remote from urban areas.

Origin: From out + back.

• diep platteland, agterveld, boendoe, gramadoelasAfrikaans
• المَناطِق الرّيفِيَّة البَعيدَه عن السّاحِلArabic
• пуста областBulgarian
• interiorPortuguese (BR)
• vnitrozemíCzech
• das HinterlandGerman
• ødemarkDanish
• απομονωμένες περιοχές (στην Αυστραλία)Greek
• interiorSpanish
• sisemaaEstonian
• جای دورافتادهFarsi
• takamaaFinnish
• intérieur du paysFrench
• אֶזוֹרִים נִידִחיםHebrew
• किनारे से दूर, निर्जन प्रदेशHindi
• unutrašnjost AustralijeCroatian
• (lakott területektől) távoliHungarian
• pedalamanIndonesian
• óbyggðirIcelandic
• l'interno del paeseItalian
• 奥地Japanese
• 미개척 오지(奧地)Korean
• retai gyvenami rajonaiLithuanian
• (Austrālijā) reti apdzīvoti rajoni valsts vidienēLatvian
• kawasan pedalamanMalay
• binnenlandDutch
• den australske villmarkenNorwegian
• interiorPolish
• جای دورافتادهPersian
• لرى پرته سيمهPashto
• interiorPortuguese
• regiuni slab populateRomanian
• необжитые районыRussian
• vnútrozemieSlovak
• notranjost deželeSlovenian
• zabačeni krajSerbian
• vildmark, obygdSwedish
• ชนบทThai
• ıssız bölgeTurkish
• 內地Chinese (Trad.)
• малонаселені райони, глушинаUkrainian
• ساحل سمندر سے دور کے علاقےUrdu
• vùng hẻo lánhVietnamese
• 内地（指澳大利亚等偏僻而人口稀少的地方）Chinese (Simp.)