solar system

noun

: the sun together with the group of celestial bodies that are held by its attraction and revolve around it
also : a similar system centered on another star

Examples of solar system in a Sentence

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.
The investment shows strong confidence in 3D solar systems that can reshape renewable energy worldwide. Kurt Knutsson, FOXNews.com, 14 Nov. 2025 The pre-alpha build is more of a technical test than a functioning game, even using placeholder assets for the rockets and our solar system (the final game will take place in a fictional solar system). Ian Stokes, Space.com, 14 Nov. 2025 The list of dangerous places in the solar system is long and fascinating. Kaif Shaikh, Interesting Engineering, 13 Nov. 2025 Envision a time when hundreds of spacecraft are exploring the solar system and beyond. Christopher Carr, The Conversation, 13 Nov. 2025 See All Example Sentences for solar system

Word History

First Known Use

circa 1704, in the meaning defined above

Time Traveler
The first known use of solar system was circa 1704

Browse Nearby Words

Cite this Entry

“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 18 Nov. 2025.

Kids Definition

solar system

noun
: a star with the group of heavenly bodies that revolve around it
especially : the sun with the planets, moons, asteroids, and comets that orbit it

More from Merriam-Webster on solar system

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!