Jupiter

noun

Ju·​pi·​ter ˈjü-pə-tər How to pronounce Jupiter (audio)
1
: the chief Roman god, husband of Juno, and god of light, of the sky and weather, and of the state and its welfare and its laws compare zeus
2
: the largest of the planets and fifth in order from the sun see Planets Table

Examples of Jupiter 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.
Getty Asteroids—small, rocky masses left over from the formation of the solar system nearly 4.6 billion years ago—are found in the main asteroid belt, orbiting around the sun between the paths of Mars and Jupiter. Soo Kim, MSNBC Newsweek, 5 June 2025 In recent years, Tisdale and her husband, Christopher French, have welcomed two daughters: Jupiter in 2021, and Emerson in 2024. Christopher Rudolph, People.com, 5 June 2025 Luck arrives on the job as Venus and Jupiter harmonize. Usa Today, USA Today, 4 June 2025 The Sun, your ruler Mercury and lucky Jupiter are in your sign. Georgia Nicols, Denver Post, 4 June 2025 See All Example Sentences for Jupiter

Word History

Etymology

Latin

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of Jupiter was in the 13th century

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Cite this Entry

“Jupiter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Jupiter. Accessed 9 Jun. 2025.

Kids Definition

Jupiter

noun
Ju·​pi·​ter ˈjü-pət-ər How to pronounce Jupiter (audio)
: the largest of the planets and fifth in order of distance from the sun see planet

Geographical Definition

Jupiter

geographical name

Ju·​pi·​ter ˈjü-pə-tər How to pronounce Jupiter (audio)
town on the Atlantic in southeastern Florida population 55,156

More from Merriam-Webster on Jupiter

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