planetary

adjective

plan·​e·​tary ˈpla-nə-ˌter-ē How to pronounce planetary (audio)
1
a
: of, relating to, being, or resembling a planet
c
: having a motion like that of a planet
planetary electrons
d
: immense
the scope of this project has reached planetary proportions
2
a
: of, relating to, or belonging to the earth : terrestrial
b
: global, worldwide
planetary politics
3
: having or consisting of an epicyclic train of gear wheels

Examples of planetary in a Sentence

a positively planetary new shopping development
Recent Examples on the Web Astronomers and stargazers around the U.S. could get a peek at a planetary parade this weekend, NASA says. Julia Gomez, USA TODAY, 27 June 2024 Here's when to look up How to watch the next planetary parade According to Fazekas, people will need to do the following to get a view of the planetary parade: Get up early before sunrise. Find a spot with a clear view that faces the east about an hour before sunrise. John Tufts, The Courier-Journal, 22 June 2024 How to watch the next planetary parade According to Fazekas, people will need to do the following to get a view of the planetary parade: Get up early before sunrise. John Tufts, The Indianapolis Star, 21 June 2024 Tracking asteroids is also vital to planetary defense. Dan Falk, Smithsonian Magazine, 20 June 2024 See all Example Sentences for planetary 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'planetary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1607, in the meaning defined at sense 1a

Time Traveler
The first known use of planetary was in 1607

Dictionary Entries Near planetary

Cite this Entry

“Planetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary. Accessed 19 Jul. 2024.

Kids Definition

planetary

adjective
plan·​e·​tary ˈplan-ə-ˌter-ē How to pronounce planetary (audio)
1
a
: of or relating to a planet
b
: having a motion like that of a planet
planetary electrons of the atomic nucleus
2
: worldwide, global
a matter of planetary concern

More from Merriam-Webster on planetary

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