planet
noun
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Definition of planet
1a : any of the seven celestial bodies sun, moon, Venus, Jupiter, Mars, Mercury, and Saturn that in ancient belief have motions of their own among the fixed stars
b(1) : any of the large bodies that revolve around the sun in the solar system
(2) : a similar body associated with another star
c : earth —usually used with the
2 : a celestial body held to influence the fate of human beings
3 : a person or thing of great importance : luminary
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Other Words from planet
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adjective
Examples of planet in a Sentence
Recent Examples on the Web
The atmosphere over the Arctic has warmed faster than any other region on the planet. — John Timmer, Ars Technica, "Barents Sea seems to have crossed a climate tipping point," 26 June 2018 Which can make Journey feel a little bit, now, like the biggest, best, most ambitious cover band on the planet. — Théoden Janes, charlotteobserver, "Concert review: Are Def Leppard and Journey getting too old for this kind of thing?," 10 June 2018 Summit, a new supercomputer unveiled at Oak Ridge National Lab is, unofficially for now, the most powerful calculating machine on the planet. — Tom Simonite, WIRED, "The US Again Has World’s Most Powerful Supercomputer," 8 June 2018 Yet the global structure of soccer also hinges on individual star power and the argument over who is the best player on the planet is one that has attracted heated debate for the past decade. — Martin Rogers, USA TODAY, "After World Cup, Cristiano Ronaldo and Lionel Messi may lose best player tags," 13 July 2018 Until 1909, nitrogen-fixing bacteria made most of the ammonia on the planet. — Robert F. Service, Science | AAAS, "Ammonia—a renewable fuel made from sun, air, and water—could power the globe without carbon," 12 July 2018 The was no killer asteroid; the pieces of LA 2018 that made it to the planet’s surface were small. — Joe Pappalardo, Popular Mechanics, "For Just 2nd Time Ever, Meteor Hunters Recover Chunks of Rock They Tracked From Space," 9 July 2018 From Finland to Mongolia, the Russian Empire and then, in somewhat different borders, the Soviet Union once ruled more than a sixth of the planet’s surface. — Yaroslav Trofimov, WSJ, "Russia’s Turn to Its Asian Past," 6 July 2018 One of the most nutritious vegetables on the planet. — Emily Hopkins, Cincinnati.com, "Your produce is less healthy than it was 70 years ago. These farmers might change that," 4 July 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'planet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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From the Editors at Merriam-Webster
What Makes a Planet?
What Makes a Planet?
The term comes from the Greek word for 'wanderer'
Dictionary Entries near planet
Phrases Related to planet
Statistics for planet
Last Updated
7 Oct 2018
Look-up Popularity
Time Traveler for planet
The first known use of planet was in the 14th century
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More Definitions for planet
planet
noun
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Kids Definition of planet
: any large heavenly body that orbits a star (as the sun)
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