Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

Thesaurus

planet

noun

Synonyms and Antonyms of planet

  1. the celestial body on which we live our collective responsibility to conserve the planet and its natural resources for future generations Synonyms globe, earth, worldRelated Words cosmos, creation, nature, universe; ball, orb, sphere; macrocosm, microcosm, microcosmos

Indulge Your Inner Word Nerd

planets
What Makes a Planet?
young-plant-shoots
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
alt-59c4207ecf106
Let's Talk 'Tea'
video-title-words-of-the-year-1066
Words of the Year: 1066

planet was our Word of the Day on 06/28/2012. Hear the podcast!

Theme music by Joshua Stamper ©2006 New Jerusalem Music/ASCAP

Get Word of the Day daily email, delivered to your inbox!

Learn More about planet

  1. See words that rhyme with planet Dictionary: Definition of planet Spanish Central: Translation of planet Nglish: Translation of planet for Spanish speakers Britannica English: Translation of planet for Arabic speakers Britannica.com: Encyclopedia article about planet

Seen and Heard

What made you want to look up planet? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

yeasty

play

of yeast or being unsettled or frivolous

Get Word of the Day daily email!

TRENDING NOW

  1. dotage, dotard a state or period of senile decay

  2. otherwise "in other respects"

  3. federalism Graham says bill gives power to states

  4. bodega "Don’t mess with the beloved bodega."

  5. carceral Of, relating to, or suggesting a jail or prison

SEE ALL

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

alt-59c4207ecf106
Let's Talk 'Tea'

Spill it, sip it: just make it hot.

image1644821030
8 Words and Phrases from Boxing and Wrestling

Common terms that come from boxing and wrestling

alt-59c2960017c94
The Ambiguity of Pushing 'Up' and 'Back'

When you push a meeting, where does it go?

image536372841
Silent Letters

When each letter can be seen but not heard

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

young-plant-shoots
Merriam-Webster's New Words Quiz—Fall 2017 Edition!

You're going to have to memorize the dictionary again.

Take the quiz
stylized-drawing-of-woman-pole-vaulting-across-gap-to-get-trophy
Challenging Vocabulary Quiz Returns!

No tricks, just difficult words.

Take the quiz
True or False
True or False?

Test your knowledge - and maybe learn something along the way.

Take the quiz
SCRABBLE® Sprint
SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game