outermost
Americanadjective
adjective
Etymology
Origin of outermost
Middle English word dating back to 1350–1400; see origin at outer, -most
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.
The astronauts will then have the chance to study the solar corona, the outermost layer of the Sun's atmosphere, which will become visible as a sort of glowing halo.
From Barron's ● Apr. 5, 2026
Past conflicts—due largely to a considerable lag between U.S. doctrine and technology—began with the outermost defensive ring and painfully worked toward the innermost ring of the capital, he wrote.
From The Wall Street Journal ● Mar. 30, 2026
That’s when the star goes supernova, which we can detect as soon as the bounced off material breaks through the star's outermost layer — we call this the shock breakout.
From Space Scoop ● Nov. 28, 2025
It’s only during a total eclipse, when the Moon passes between Earth and the Sun and covers the photosphere that we are able to see the solar corona, the Sun’s outermost layer.
From BBC ● Nov. 26, 2024
She breaks into a trot and talks over her shoulder as they maneuver down a long hallway toward the outermost wall of windows.
From "The Kill Order (Maze Runner, Book Four; Origin)" by James Dashner
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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.