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.
The outermost layer of skin, known as the epidermis, is made up of a fibrous protein called keratin, which is produced by skin cells called keratinocytes, Dr. Gohara explains. Victoria Moorhouse, Allure, 30 July 2025 Earth’s lithosphere, the outermost rocky layer, rests upon a semi-fluid layer of the upper mantle. Jay Kakade july 30, New Atlas, 30 July 2025 They are coated with a gel that picks up exosomes—tiny packages released from cells into the surrounding fluid in the outermost layer of skin. Hannah Millington, MSNBC Newsweek, 29 July 2025 While physicists have a somewhat decent understanding of what nuclear material does at the densities found in the outermost layers, the cores of neutron stars remain complete mysteries. Paul Sutter, Space.com, 28 July 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 8 Aug. 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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