outermost

adjective

out·​er·​most ˈau̇-tər-ˌmōst How to pronounce outermost (audio)
Synonyms of outermostnext
: 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 process, known as lithospheric foundering, resembles a geological process on Earth in which portions of the planet's outermost layer sink into the mantle. Sharmila Kuthunur, Space.com, 23 Jan. 2026 Together, the pair of satellites create artificial total solar eclipses that give scientists a glimpse into the corona, the outermost layer of the sun’s atmosphere. Meghan Bartels, Scientific American, 21 Jan. 2026 The corona is the sun’s outermost atmosphere. Jenna Prestininzi, Freep.com, 20 Jan. 2026 The outermost layer of skin (epidermis) has been exfoliated, revealing newer, more sensitive layers underneath. Essence, 8 Jan. 2026 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 1 Feb. 2026.

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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