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.
After watering deeply, sprinkle the fertilizer away from the center trunk, focusing on the area near the outermost branches or drip line. Mary Marlowe Leverette, Southern Living, 13 June 2026 If that happens, those orbitals are shielded from the Universe by the outermost orbitals, which are full of happy electron pairs. Chris Lee, ArsTechnica, 9 June 2026 Coronal mass ejections are emissions of solar material from the Sun’s corona—its outermost layer of atmosphere. Zachary Folk, Forbes.com, 18 May 2026 Any celestial body found beyond the orbit of Neptune – our solar system's outermost planet – is considered a trans-Neptunian object. Eric Lagatta, USA Today, 6 May 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

Browse Nearby Words

Cite this Entry

“Outermost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outermost. Accessed 16 Jun. 2026.

Kids Definition

outermost

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

More from Merriam-Webster on outermost

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster