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 Your planetary ruler, Mars, is firing up your money sector. Skyler Caruso, Peoplemag, 8 June 2024 This further exacerbates the triple planetary crisis of climate change, nature and biodiversity loss, and the proliferation of pollution and waste. Philip Lymbery and Leticia Carvalho, TIME, 7 June 2024 Humanity is ignoring major planetary vital signs as atmospheric carbon dioxide levels soar to all-time highs and Earth records its 12th consecutive month of record-breaking heat, international climate officials warned this week. Hayley Smith, Los Angeles Times, 5 June 2024 Early this morning, a planetary parade with six of our neighbors will rise in tandem: Mercury, Mars, Jupiter, Saturn, Uranus, and Neptune. Stephanie Vermillion, Travel + Leisure, 3 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 16 Jun. 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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