planetary
adjective
plan·e·tary
ˈpla-nə-ˌter-ē 
1
2
a
: of, relating to, or belonging to the earth : terrestrial
3
: having or consisting of an epicyclic train of gear wheels
Synonyms of planetary
Examples of planetary in a Sentence
a positively planetary new shopping development
Recent Examples on the Web
Exciting and futile The Humans to Titan Summit was both exciting and futile, said Pascal Lee, chairman of the Mars Institute and a planetary scientist at the SETI Institute.
—
Leonard David,
Space.com,
3 July 2026
Mann and his colleagues have shown an uptick in the frequency of such stuck jet stream patterns, known as planetary resonance events, in recent decades.
—
Andrew Freedman,
CNN Money,
1 July 2026
The closest planetary neighbors—Mercury, Venus, and possibly even Earth—will be destroyed in the resultant collateral damage.
—
Andrew Paul,
Popular Science,
1 July 2026
Population growth and climate change can be solved only by either catastrophic population decline—pandemic, natural disaster, thermonuclear war—or cooperation on a planetary scale.
—
Simon Sebag Montefiore,
The Atlantic,
28 June 2026
See All Example Sentences for planetary
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Leonard David,
Space.com,
3 July 2026
Mann and his colleagues have shown an uptick in the frequency of such stuck jet stream patterns, known as planetary resonance events, in recent decades.
—
Andrew Freedman,
CNN Money,
1 July 2026
The closest planetary neighbors—Mercury, Venus, and possibly even Earth—will be destroyed in the resultant collateral damage.
—
Andrew Paul,
Popular Science,
1 July 2026
Population growth and climate change can be solved only by either catastrophic population decline—pandemic, natural disaster, thermonuclear war—or cooperation on a planetary scale.
—
Simon Sebag Montefiore,
The Atlantic,
28 June 2026
See All Example Sentences for planetary
Cite this Entry
“Planetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary. Accessed 5 Jul. 2026.
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planetary
adjective
plan·e·tary
ˈplan-ə-ˌter-ē
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