planet

noun

ˈpla-nət How to pronounce planet (audio)
Definition of planetnext
as in globe
the celestial body on which we live our collective responsibility to conserve the planet and its natural resources for future generations

Synonyms & Similar Words

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Example Sentences

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.
Recent Examples of planet Mercury, the closest planet to the sun, is extremely difficult to study up close. — Adam Kovac, Scientific American, 3 Sep. 2026 BepiColombo launched in October 2018 and took a long, looping and highly circuitous route toward Mercury our solar system's innermost planet. — Mike Wall, Space.com, 2 Sep. 2026 More relevant is Musk’s future, as the director tweaks a scene about what the mogul is up to next (humanoid robots and launching himself off a burning planet to Mars). — Steven Zeitchik, HollywoodReporter, 2 Sep. 2026 Polyploidy is the most important process on the planet that hardly anybody knows anything about. — Carrie Arnold contributing, Quanta Magazine, 2 Sep. 2026 See All Example Sentences for planet
Recent Examples of Synonyms for planet
  1. globe
  2. world
  3. earth
Noun
  • Seeing the world through old maps The Osher Map Library, at the University of Southern Maine in Portland, is home to half a million rare maps, globes and atlases, dating as far back as the 15th century.
    — David Morgan, CBS News, 28 Aug. 2026
  • Despite its globe-trotting kidnapping plot, much of the movie’s tension comes down to people in rooms trying to persuade an old man to part with his money.
    — Los Angeles Times, Los Angeles Times, 20 Aug. 2026
Definition of globe
Noun
  • With new digital imaging techniques, astronomers were able to spot a new and tiny world orbiting 4 billion miles beyond Neptune.
    — Tariq Malik, Space.com, 30 Aug. 2026
  • Once these new worlds are spotted by Roman, the more powerful and sensitive Webb will take aim to fill in the blanks.
    — Marcia Dunn, Fortune, 30 Aug. 2026
Definition of world
Noun
  • In the middle of the BioCharger, within the geometric, connected plates of glass, is a Tesla coil, which ionizes the surrounding 12 glass tubes that hold six noble gases, the gases in the earth’s atmosphere.
    — Rebecca Leib, Los Angeles Times, 2 Sep. 2026
  • His first responded to Trump’s April 2025 imposition of a 145 percent tariff on imports from China; Beijing then halted global exports of rare-earth permanent magnets, another essential input for car seats, windshield wipers, motors, and cameras.
    — Chad P. Bown, Foreign Affairs, 1 Sep. 2026
Definition of earth

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planes
planet
planetary
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Cite this Entry

“Planet.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/planet. Accessed 4 Sep. 2026.

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More from Merriam-Webster on planet

Britannica.com: Encyclopedia article about planet

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