outer

adjective

out·​er ˈau̇-tər How to pronounce outer (audio)
Synonyms of outernext
1
: existing independent of mind : objective
outer reality
2
a
: situated farther out
the outer limits
b
: being away from a center
the planet's outer rings
c
: situated or belonging on the outside
an outer covering

Examples of outer in a Sentence

the outer edges of the roof The package's outer covering was damaged. I removed the outer skin of the onion. Her inner turmoil was masked by an outer calm.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Orion spacecraft used for those missions will feature a more permeable layer of outer material. Tom Costello, NBC news, 10 Apr. 2026 Not only that, but there is also some evidence of liquid water deep beneath its surface, similar to many other outer moons. Phil Plait, Scientific American, 10 Apr. 2026 Most of these sand-sized fragments in the solar system originate from comets – cold, icy objects from the outer reaches of the solar system. Patrick M. Shober, The Conversation, 10 Apr. 2026 There are two mesh side pockets for water bottles and umbrellas, a chest strap with a safety-first whistle, double zippers for easy access, and a spacious main compartment big enough to fit two outer layers, sunscreen, snacks, and more. Katie Jackson, Travel + Leisure, 8 Apr. 2026 See All Example Sentences for outer

Word History

Etymology

Middle English, from out entry 4 + -er entry 1

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of outer was in the 13th century

Browse Nearby Words

Cite this Entry

“Outer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer. Accessed 13 Apr. 2026.

Kids Definition

outer

adjective
out·​er ˈau̇t-ər How to pronounce outer (audio)
1
: located on the outside or farther out
the outer wall
2
: being away from a center
the outer planets of the solar system

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