Neptune

noun

Nep·​tune ˈnep-ˌtün How to pronounce Neptune (audio)
-ˌtyün
1
a
: the Roman god of the sea compare poseidon
b
: ocean
2
: the planet eighth in order from the sun see Planets Table
Neptunian adjective

Examples of Neptune in a Sentence

sailors shipwrecked by the wild waves of Neptune
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.
One of the primary reasons some astrophysicists propose there is a planet beyond Neptune has to do with odd orbits. Emilie Le Beau Lucchesi, Discover Magazine, 6 Nov. 2024 Each time the sharks returned to Neptune Islands after a period away, their behavior went through a sort of reset as their initial time spent near the boats was similar to their first exposure. Melissa Cristina Marquez, Forbes, 5 Nov. 2024 Strange experiences prompt you to self-isolate as the moon clashes with Neptune. USA TODAY, 5 Nov. 2024 This concept animation depicts how a Planet Nine could help explain the observed behavior of some trans-Neptunian objects, or bodies orbiting the sun beyond the orbit of Neptune. Jacopo Prisco, CNN, 5 Nov. 2024 See all Example Sentences for Neptune 

Word History

Etymology

Latin Neptunus

First Known Use

before the 12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of Neptune was before the 12th century

Dictionary Entries Near Neptune

Cite this Entry

“Neptune.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Neptune. Accessed 22 Nov. 2024.

Kids Definition

Neptune

noun
Nep·​tune ˈnep-ˌt(y)ün How to pronounce Neptune (audio)
: the planet eighth in order from the sun see planet
Neptunian adjective

More from Merriam-Webster on Neptune

Last Updated: - Updated example sentences
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