[ ou-ter ]
/ ˈaʊ tər /


situated on or toward the outside; external; exterior: outer garments; an outer wall.
situated farther out or farther from the center: the outer reaches of space.
of or relating to the external world.

Origin of outer

Middle English word dating back to 1350–1400; see origin at out, -er4
Related formsout·er·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for outer

British Dictionary definitions for outer


/ (ˈaʊtə) /

adjective (prenominal)

being or located on the outside; external
further from the middle or central part


  1. the white outermost ring on a target
  2. a shot that hits this ring
Australian the unsheltered part of the spectator area at a sports ground
on the outer Australian and NZ informal excluded or neglected
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 outer



late 14c., comparative of out (on analogy of inner), replacing by 18c. forms descended from Old English uttera (comp. of Old English ut "out") which developed into utter and was no longer felt as connected with out. Outer space first attested 1901 in writings of H.G. Wells.

Online Etymology Dictionary, © 2010 Douglas Harper