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
Those used for deep sky objects are usually electronically cooled to reduce background noise, while planetary cameras are not.
—
John Natale, Hartford Courant, 26 Dec. 2024
The end of March brings a succession of major planetary transitions that signal the start of something completely new for you.
—Roya Backlund, StyleCaster, 23 Dec. 2024
This study shows that a biosphere can compensate for a stagnant lid and lengthen the duration of habitable conditions, Stephen Kane, a planetary geophysicist at the University of California, Riverside, who was not involved in the study, told me via email.
—Bruce Dorminey, Forbes, 23 Dec. 2024
Uranus and Neptune, only visible through a telescope, will be part of the planetary alignment in the first quarter of the year.
—Dean Regas, The Enquirer, 19 Dec. 2024
See all Example Sentences for planetary 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
John Natale, Hartford Courant, 26 Dec. 2024
The end of March brings a succession of major planetary transitions that signal the start of something completely new for you.
—Roya Backlund, StyleCaster, 23 Dec. 2024
This study shows that a biosphere can compensate for a stagnant lid and lengthen the duration of habitable conditions, Stephen Kane, a planetary geophysicist at the University of California, Riverside, who was not involved in the study, told me via email.
—Bruce Dorminey, Forbes, 23 Dec. 2024
Uranus and Neptune, only visible through a telescope, will be part of the planetary alignment in the first quarter of the year.
—Dean Regas, The Enquirer, 19 Dec. 2024
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 30 Dec. 2024.
Copy CitationKids Definition
planetary
adjective
plan·e·tary
ˈplan-ə-ˌter-ē
Love words? Need even more definitions?
Merriam-Webster unabridged
Share