outermost

adjective

out·​er·​most ˈau̇-tər-ˌmōst How to pronounce outermost (audio)
: farthest out

Examples of outermost in a Sentence

The arrow hit the outermost ring on the target. the outermost planet in our solar system
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.
It’s made with three layers, including an inner tube that’s drinking water safe, a middle layer that adds strength, and an outermost layer that’s UV, mold, and abrasion resistant. Carly Totten, Better Homes & Gardens, 26 Feb. 2025 It is specifically engineered to monitor solar activity, and chiefly keeps an eye on the sun's corona — the outermost layer of its atmosphere — to help scientists forecast space weather that could affect Earth. Sharmila Kuthunur, Space.com, 17 Feb. 2025 Scientists Discover Superstructure Larger Than the Milky Way Coronal holes form in the outermost layer of the sun when the local magnetic field opens up, allowing the solar wind to escape at a much faster rate than usual. Josh Hammer, Newsweek, 14 Feb. 2025 Look for one with ingredients called humectants that attract and retain water from deeper layers of epidermis and dermis, keeping the outermost layer plump and strong. Matt Fuchs, TIME, 6 Feb. 2025 See All Example Sentences for outermost

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of outermost was in the 14th century

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Cite this Entry

“Outermost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outermost. Accessed 13 Mar. 2025.

Kids Definition

outermost

adjective
out·​er·​most ˈau̇t-ər-ˌmōst How to pronounce outermost (audio)
: farthest out

More from Merriam-Webster on outermost

Last Updated: - Updated example sentences
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