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.
Daily stress can have you on the edge of collapse as the moon triggers Saturn and Neptune.—Usa Today, USA Today, 18 Aug. 2025 Uranus and Neptune will also be in the sky, though both require a telescope to see easily.—Jamie Carter, Forbes.com, 18 Aug. 2025 Mercury, Venus, Jupiter, Saturn, Uranus and Neptune are all making their appearance in the eastern sky just before sunrise, offering a unique opportunity to witness this celestial phenomenon.—Maria Azzurra Volpe, MSNBC Newsweek, 15 Aug. 2025 From Jupiter’s swirling storms to Neptune’s icy depths, planets across our solar system are orbited by a fascinating cast of moons.—Kenna Hughes-Castleberry, Space.com, 15 Aug. 2025 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
Share