Princeton's WordNet

1. outer(a)(adj)

   being on the outside or further from a center

   "spent hours adorning the outer man"; "the outer suburbs"

2. outer(adj)

   located outside

   "outer reality"

3. outer(adj)

   being on or toward the outside of the body

   "the outer ear"

Kernerman English Learner's Dictionary

1. outer(adjective)ˈaʊ tər

   ≠ inner

   the outer doors of the building; the outer layers of material

2. outerˈaʊ tər

   ≠ inner

   the outer suburbs of the city

Wiktionary

1. outer(Noun)

   An outer part.

2. outer(Noun)

   (wholesale trade) the smallest single unit normally sold to retailers, usually equal to one retail display box.

   We ordered two cartons with twelve outers in each.

3. outer(Noun)

   Someone who admits to something publicly.

4. outer(Noun)

   Someone who outs another.

5. outer(Adjective)

   Outside; external.

6. outer(Adjective)

   Farther from the centre of the inside.

• buitenste, buite=, uiterlikeAfrikaans
• خارِجيArabic
• външенBulgarian
• exteriorPortuguese (BR)
• vnější, krajníCzech
• Außen-...German
• ydreDanish
• εξώτεροςGreek
• exterior, externoSpanish
• välis-Estonian
• بیرونیFarsi
• ulko-Finnish
• extérieurFrench
• חִיצוֹנִיHebrew
• बाह्य, सुदूर, केन्द्रावसारीHindi
• vanjski, izvanjskiCroatian
• külsőHungarian
• luarIndonesian
• ytriIcelandic
• esteriore, esternoItalian
• 外側のJapanese
• 밖의Korean
• išorinis, tolimas, atokusLithuanian
• kosmossLatvian
• luarMalay
• uitersteDutch
• ytre, ytter-Norwegian
• zewnętrznyPolish
• بیرونیPersian
• بهرنىPashto
• exteriorPortuguese
• de/din afarăRomanian
• внешний; отдалённыйRussian
• vonkajší, krajnýSlovak
• zunanjiSlovenian
• spoljašnjiSerbian
• yttre, ytter-, utvändigSwedish
• ที่อยู่รอบนอกThai
• dış, dıştaTurkish
• 外面的，遠離中心的Chinese (Trad.)
• зовнішнійUkrainian
• خارجيUrdu
• bên ngoàiVietnamese
• 外面的，远离中心的Chinese (Simp.)