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

Relevance

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 semiconductor supply chain is a planetary superorganism with its own ecology. — Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026 Either way, scientists anticipate finding traces of Mars on Phobos, making the samples an irresistible two-for-one that should help demystify planetary and moon formation, and perhaps even the recipe for life. — ABC News, 19 Oct. 2026 Detecting such planetary systems from Earth is possible, too. — Phil Plait, Scientific American, 16 Oct. 2026 The authors of today’s report also tracked indicators of the human activities driving these planetary changes, like energy use, food production, and economic growth. — Simmone Shah, Time, 14 Oct. 2026 See All Example Sentences for planetary

Recent Examples of Synonyms for planetary

Adjective

The stellar core implodes into the black hole, and a GRB fueled by a vast amount of material from all around it is born.

— Robin George Andrews, Scientific American, 20 Oct. 2026
In Registan Square on Monday, Rubio’s Uzbek hosts released hundreds of pigeons into the sky and filled the vast space with local pop music.

— Reuters, NBC news, 20 Oct. 2026

Definition of vast

Adjective

The Bruins took a huge hit with their top six players all getting drafted by WNBA teams.

— ABC News, ABC News, 25 Oct. 2026
With its available sun-deflecting bright-white fabric and huge garage door-like entryway, the tent makes for a natural day shelter for events out in the sun, rain and wind.

— New Atlas, New Atlas, 25 Oct. 2026

Definition of huge

Adjective

The fair had been paying about $1 million a year for the gigantic space, which has hosted nearly 300 galleries in some editions.

— Brian Boucher, ARTnews.com, 19 Oct. 2026
On Friday, that thought process took another gigantic step, as those in charge of putting a product on television have all but signed the official paperwork to once again expand the college football playoff.

— Trey Wallace OutKick, FOXNews.com, 17 Oct. 2026

Definition of gigantic

Adjective

Donaldson’s astronomical rise to success has become a blueprint for the future of the creator economy, according to Steven Bartlett, an investor and host of The Diary of a CEO podcast.

— Sasha Rogelberg, Fortune, 21 Oct. 2026
The team completed both runs and much of the data analysis in about four days, creating enormous datasets designed to help scientists investigate the universe’s earliest moments and interpret observations from major astronomical surveys.

— Kaif Shaikh, Interesting Engineering, 20 Oct. 2026

Definition of astronomical

Adjective

As that enormous dome thinned through the Holocene, its margin withdrew up onto Baffin Island, and what’s left today is the deflated core of something that was once two miles thick.

— Jacek Krywko, ArsTechnica, 24 Oct. 2026
That move sparked enormous street protests in Israel, and alarmed many Israeli citizens overseas.

— Daniel Brook, New Yorker, 24 Oct. 2026

Definition of enormous

Adjective

Toronto reacquired Leonard in an offseason trade after a salary cap-circumvention scandal that led to massive sanctions against the Clippers.

— CBS News, CBS News, 22 Oct. 2026
Pearson and his brother KeShaun are the two most prominent local opponents of Elon Musk’s xAI, a subsidiary of which has developed a massive data-center complex, provocatively named Colossus, in and around South Memphis.

— Keeanga-Yamahtta Taylor, New Yorker, 22 Oct. 2026

Definition of massive

Browse Nearby Words

planet

planetary

planets

See all Nearby Words

Cite this Entry

Style

“Planetary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/planetary. Accessed 27 Oct. 2026.

Copy Citation

Synonyms of planetary

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

milieu

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes