outer
Americanadjective
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situated on or toward the outside; external; exterior.
outer garments; an outer wall.
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situated farther out or farther from the center.
the outer reaches of space.
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of or relating to the external world.
adjective
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being or located on the outside; external
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further from the middle or central part
noun
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archery
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the white outermost ring on a target
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a shot that hits this ring
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the unsheltered part of the spectator area at a sports ground
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informal excluded or neglected
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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.