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.
These collisions would have carved out some of the outermost layer of the wannabe planets. Nola Taylor Tillman, Space.com, 8 Sep. 2025 In many workplaces, the fleece vest has effectively toppled the sport jacket as the outermost layer of choice. Eric Twardzik, Robb Report, 8 Sep. 2025 Although the Sun creates gamma-rays in its core — where nuclear fusion reactions occur — those gamma-rays typically bounce around for more than 100,000 years before making it to the Sun’s outermost layers. Ethan Siegel, Big Think, 4 Sep. 2025 Massive stars are like celestial onions: the outermost layers are made up of lightweight elements such as hydrogen and helium while layers of heavier elements lay underneath. Ashley Strickland, CNN Money, 22 Aug. 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

Browse Nearby Words

Cite this Entry

“Outermost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outermost. Accessed 13 Sep. 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
Love words? Need even more definitions?

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