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
- astronomical
- astronomic
- Brobdingnagian
- bumper
- colossal
- cosmic
- cosmical
- cyclopean
- elephantine
- enormous
- galactic
- gargantuan
- giant
- gigantesque
- gigantic
- grand
- herculean
- heroic
- heroical
- Himalayan
- huge
- humongous
- humungous
- immense
- jumbo
- king-size
- king-sized
- leviathan
- mammoth
- massive
- mega
- mighty
- monster
- monstrous
- monumental
- mountainous
- oceanic
- pharaonic
- prodigious
- super
- super-duper
- supersize
- supersized
- titanic
- tremendous
- vast
- vasty
- walloping
- whacking
- whopping
Examples of planetary in a Sentence
a positively planetary new shopping development
Recent Examples on the Web
The Virtual Telescope Project in Italy is offering viewers a chance to catch this mesmerizing planetary alignment during a free webcast today (Jan. 25).
—
Samantha Mathewson, Space.com, 24 Jan. 2025
As a rare planetary parade illuminated the evening sky, a few lucky guests here on Earth gathered to celebrate the NIGO Knows & Pharrell Knows Too sales, hosted through Williams’ digital auction house, Joopiter.
—Sam Falb, Vogue, 24 Jan. 2025
The National Oceanic and Atmospheric Administration Space Weather Prediction Center forecast a planetary K-index -- which characterizes the magnitude of geomagnetic storms - of five out of a scale of nine for Friday and Saturday, meaning that auroral activity would likely increase on those nights.
—Julia Jacobo, ABC News, 24 Jan. 2025
That plane of planetary motion forms a line across our sky, and the planets always appear to travel across it.
—Sara Hashemi, Smithsonian Magazine, 23 Jan. 2025
See all Example Sentences for planetary 
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Samantha Mathewson, Space.com, 24 Jan. 2025
As a rare planetary parade illuminated the evening sky, a few lucky guests here on Earth gathered to celebrate the NIGO Knows & Pharrell Knows Too sales, hosted through Williams’ digital auction house, Joopiter.
—Sam Falb, Vogue, 24 Jan. 2025
The National Oceanic and Atmospheric Administration Space Weather Prediction Center forecast a planetary K-index -- which characterizes the magnitude of geomagnetic storms - of five out of a scale of nine for Friday and Saturday, meaning that auroral activity would likely increase on those nights.
—Julia Jacobo, ABC News, 24 Jan. 2025
That plane of planetary motion forms a line across our sky, and the planets always appear to travel across it.
—Sara Hashemi, Smithsonian Magazine, 23 Jan. 2025
See all Example Sentences for planetary
Dictionary Entries Near planetary
Cite this Entry
“Planetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary. Accessed 31 Jan. 2025.
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planetary
adjective
plan·e·tary
ˈplan-ə-ˌter-ē
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