PLANETARY Synonyms: 123 Similar and Opposite Words

planetary

adjective

ˈpla-nə-ˌter-ē

Definition of planetary

as in vast

unusually large a positively planetary new shopping development

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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 planetary Another term for a certain kind of planetary alignment, planet parades are what happens when planets line up along the ecliptic in a straight line and appear to us on Earth to be marching across the night sky, according to NASA. — Eric Lagatta, USA Today, 10 July 2026 Even once in a while, from under the ocean floor, hot magma erupts through the gaps and then cools down to form new planetary crust. — Ameya Paleja, Interesting Engineering, 9 July 2026 In 1993, a team led by the planetary scientist Carl Sagan tentatively concluded that there is life on Earth. — Quanta Magazine, 8 July 2026 The microlensing lineup between the two stars came and went in 2023, and the telltale planetary signal sat unnoticed in TESS’s archive for nearly three years before researchers connected the dots. — Sam MacDonald, Scientific American, 6 July 2026 See All Example Sentences for planetary

Recent Examples of Synonyms for planetary

Adjective

Beijing did not have to fire a shot, spend vast sums or use up political capital.

— Fareed Zakaria, Washington Post, 17 July 2026
Severe droughts and searing heat across vast swathes of southern Europe destroyed large parts of the olive oil harvest, culminating in a dizzying price rally that shocked industry veterans and consumers alike.

— Sam Meredith, CNBC, 17 July 2026

Definition of vast

Adjective

Pop these on, plug them into your phone or laptop, and boom – an instant giant display for your eyes only.

— New Atlas, New Atlas, 17 July 2026
Cyclops Odysseus’s wittiest ploy in Homer’s tale concerns him and his men’s escape from the clutches of Polyphemus, the giant cyclops (and son of Poseidon).

— Marlow Stern, Variety, 17 July 2026

Definition of giant

Adjective

Their fans have provided the electricity of this tournament, travelling in huge numbers, turning Kansas City, Atlanta, Miami and Dallas into oceans of blue and white.

— Adam Crafton, New York Times, 20 July 2026
Notable quote There is a huge amount of animosity, every single day, thrown at trans kids.

— Kayla Hayempour, NBC news, 19 July 2026

Definition of huge

Adjective

Last year was marked by an era of Hollywood belt-tightening, after some gigantic box office duds and some production moving out of Los Angeles.

— Phillip Molnar, San Diego Union-Tribune, 16 July 2026
Christopher Nolan’s passionate love affair with the Premium Large Format moviegoing experience peaks with The Odyssey, a gigantic undertaking that marks the first feature shot entirely with IMAX Film Cameras.

— David Rooney, HollywoodReporter, 15 July 2026

Definition of gigantic

Adjective

Topline The annual Perseid meteor shower — one of 2026’s celestial highlights — officially begins today, kicking off one of the most anticipated astronomical events of the year.

— Jamie Carter, Forbes.com, 17 July 2026
The difference a decade later is the get-in price for this World Cup final is astronomical.

— Dan Sheldon, New York Times, 17 July 2026

Definition of astronomical

Adjective

That kind of mass results in a tremendous gravitational force that pushes in on the sun’s core to the tune of over 500 billion pounds per square inch.

— Mike Lynch, Twin Cities, 19 July 2026
San Diego has devoted tremendous effort and resources to addressing homelessness, and many dedicated people work every day to help those in need.

— U T Readers, San Diego Union-Tribune, 19 July 2026

Definition of tremendous

Adjective

Manchester, meanwhile, faced enormous challenges in its comeback, from high levels of poverty and unemployment to poor education and crumbling infrastructure.

— Hanna Ziady, CNN Money, 18 July 2026
This has enormous implications for how wars start, end, and are waged.

— Phillips Payson O’Brien, The Atlantic, 18 July 2026

Definition of enormous

Adjective

County officials are asking the board for the South Fulton Municipal Regional Jail Authority to approve a resolution authorizing the authority to issue bonds for the massive project that could take a decade to complete.

— Reed Williams, AJC.com, 17 July 2026
The potential spread of massive water and electricity-consuming data centers into Florida has sparked fierce opposition from thousands of residents and drawn dividing lines between its most powerful politicians.

— Alexandra Phelps, Miami Herald, 17 July 2026

Definition of massive

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planet

planetary

planets

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“Planetary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/planetary. Accessed 21 Jul. 2026.

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Synonyms of planetary

adjective

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