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.
Reaching the finish line The Swift observatory is flying in low-Earth orbit, where the outermost layers of the atmosphere still exert some aerodynamic influence on satellites. Stephen Clark, ArsTechnica, 19 June 2026 Apply a 2 to 4-inch layer of natural mulch around your fruit trees and extend the mulch to the tree's drip line (the area where the outermost branch tips extend to). Lauren Landers, Better Homes & Gardens, 15 June 2026 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 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 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 22 Jun. 2026.

Kids Definition

outermost

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

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