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outer

American  
[ou-ter] / ˈaʊ tər /

adjective

  1. situated on or toward the outside; external; exterior.

    outer garments; an outer wall.

  2. situated farther out or farther from the center.

    the outer reaches of space.

  3. of or relating to the external world.


outer British  
/ ˈaʊtə /

adjective

  1. being or located on the outside; external

  2. further from the middle or central part

"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

noun

  1. archery

    1. the white outermost ring on a target

    2. a shot that hits this ring

  2. the unsheltered part of the spectator area at a sports ground

  3. 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

Other Word Forms

Derived Forms

Etymology

Origin of outer

Middle English word dating back to 1350–1400; see origin at out, -er 4

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers have also discovered that M88 contains significantly less cold gas than expected for a galaxy of its size, particularly in its outer regions.

From Science Daily • Jun. 1, 2026

First, he asks: “In describing the human experience, how big are the numbers people need? Which numbers mark our world’s outer limits?”

From The Wall Street Journal • May 29, 2026

Mensik was competing on one of the outer courts at Roland Garros, which offer no shade.

From BBC • May 27, 2026

Huang said the breakthrough came when firefighters were able strip the outer casing of the tank to allow for better cooling.

From Los Angeles Times • May 25, 2026

On February 24, German troops overran the entire outer trench zone.

From "The War to End All Wars: World War I" by Russell Freedman

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