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
But scientists who study the outer planets face severe disadvantages compared with those who study our planetary neighbors.
—
David W. Brown, The New Yorker, 15 Oct. 2024
Scientists are one step closer to discovering whether earthlings are alone in the universe, as NASA’s largest and most technologically advanced planetary spacecraft, the Europa Clipper, launched on Oct 14.
—Ali Martin, The Christian Science Monitor, 14 Oct. 2024
The spacecraft, the largest NASA has ever built for a planetary mission, will travel 1.8 million miles to reach Jupiter in April of 2030.
—Jason Ma, Fortune, 14 Oct. 2024
With its massive solar arrays and radar antennas, the Clipper is the largest spacecraft NASA has ever developed for a planetary mission.
—Eric Lagatta, USA TODAY, 14 Oct. 2024
See all Example Sentences for planetary 
David W. Brown, The New Yorker, 15 Oct. 2024
Scientists are one step closer to discovering whether earthlings are alone in the universe, as NASA’s largest and most technologically advanced planetary spacecraft, the Europa Clipper, launched on Oct 14.
—Ali Martin, The Christian Science Monitor, 14 Oct. 2024
The spacecraft, the largest NASA has ever built for a planetary mission, will travel 1.8 million miles to reach Jupiter in April of 2030.
—Jason Ma, Fortune, 14 Oct. 2024
With its massive solar arrays and radar antennas, the Clipper is the largest spacecraft NASA has ever developed for a planetary mission.
—Eric Lagatta, USA TODAY, 14 Oct. 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.
Dictionary Entries Near planetary
Cite this Entry
“Planetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary. Accessed 22 Oct. 2024.
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planetary
adjective
plan·e·tary
ˈplan-ə-ˌter-ē
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