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

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 The asteroid, which takes its name from the Egyptian deity of chaos, will be seen and heard, but the only impacts will be on science and planetary defense. — Andrew Jones, Scientific American, 30 July 2026 There will also be a planetary parade made up of six planets, according to Star Walk. — Julia Gomez, USA Today, 30 July 2026 Since then, the search for signs of life on Mars and other planetary bodies has become a major part of NASA’s mission. — Danny Robb, JSTOR Daily, 30 July 2026 That fact alone tells us our country must prepare for major environmental and affordability challenges, at a time when planetary life support systems are already straining. — John Kostyack, Forbes.com, 29 July 2026 See All Example Sentences for planetary

Recent Examples of Synonyms for planetary

Adjective

One such is Japan’s Santec Holdings, a maker of optical testing gear much in demand in AI data centers that use fiber-optic cables to transmit vast quantities of data.

— Naazneen Karmali, Forbes.com, 7 Aug. 2026
Roughly 11,000 square feet across two levels showcases high ceilings and vast walls of glass offering sweeping mountain and ocean views.

— Wendy Bowman, Robb Report, 6 Aug. 2026

Definition of vast

Adjective

Spaceship Earth is the iconic giant-golf-ball-looking attraction near the front entrance of the theme park.

— Dewayne Bevil, The Orlando Sentinel, 7 Aug. 2026
With an ecosystem as capricious as this, the local wildlife is born and bred to go with the flow—think gentle-but-giant humpback whales, colonies of industrious beavers, and torpedoing peregrine falcons, the fastest animals on Earth.

— Kat Chen, Condé Nast Traveler, 7 Aug. 2026

Definition of giant

Adjective

India is another huge buyer, Jungman said, accounting for about a quarter of exports, while European countries like Spain and the Netherlands are also in the mix.

— Anna Cooban, CNN Money, 2 Aug. 2026
Solo Sikoa received a huge face reaction in his tag team victory, while Nick Aldis was reinstated as SmackDown GM despite a loss to Gunther.

— Brian Mazique, Forbes.com, 2 Aug. 2026

Definition of huge

Adjective

Musk was asked several times about the prospects for the gigantic Starship rocket that is key to SpaceX realizing his ambitions.

— Bernard Condon, Fortune, 5 Aug. 2026
While SpaceX's satellite internet division, Starlink, remains the company's key revenue driver, the group's gigantic AI capex spend is unnerving investors, helping to drag the stock price lower in Wednesday's session.

— Hugh Leask, CNBC, 5 Aug. 2026

Definition of gigantic

Adjective

Before the cross-country move Hilton had been complaining about his astronomical hospital bills, even with insurance.

— Madeleine Marr, Miami Herald, 5 Aug. 2026
Private care is astronomical, and Medicare doesn't cover the custodial care this disease requires, the day-to-day help with bathing and dressing and supervision that can go on for a decade.

— Sue Peschin, Forbes.com, 4 Aug. 2026

Definition of astronomical

Adjective

Linebacker Zaire Franklin had tremendous coverage on an incomplete pass down the middle for tight end Josh Whyle.

— Rob Reischel, Forbes.com, 2 Aug. 2026
There are tremendous challenges around delivering this in practice given the differing problems and motivations across continents and federations.

— Simon Hughes, New York Times, 1 Aug. 2026

Definition of tremendous

Adjective

And enormous sums of money are needed to upgrade Venezuela’s decaying infrastructure after years of underinvestment and little maintenance.

— Anna Cooban, CNN Money, 2 Aug. 2026
In their third epic encounter, Femi slayed Lesnar with an enormous Fall From Grace powerbomb to potentially send Lesnar off into retirement.

— Blake Oestriecher, Forbes.com, 2 Aug. 2026

Definition of enormous

Adjective

The massive fire, which brought more than 300 firefighters to the scene, was finally put out by Wednesday evening.

— Kerry Burke, New York Daily News, 7 Aug. 2026
As a senior leader or mid-level executive tired of the grind, consider the massive opportunity hiding in plain sight.

— Sho Dewan, Forbes.com, 7 Aug. 2026

Definition of massive

Browse Nearby Words

planet

planetary

planets

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“Planetary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/planetary. Accessed 8 Aug. 2026.

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Synonyms of planetary

adjective

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