adjective, often capitalized
plu·​to·​ni·​an | \ plü-ˈtō-nē-ən How to pronounce plutonian (audio) \

Definition of plutonian

: of, relating to, or characteristic of Pluto or the lower world : infernal

Examples of plutonian in a Sentence

the rows of abandoned, boarded-up tenement houses made for a rather plutonian landscape
Recent Examples on the Web The morning of April 1, 1976, Moore announced on a BBC radio station that at 9:47 am, Pluto would pass behind Jupiter, creating the Jovian-Plutonian Gravitational Effect. National Geographic, 31 Mar. 2016 His most recent discoveries, the two tiny Plutonian satellites, were named with the help of a popular vote. Nadia Drake, WIRED, 15 July 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plutonian.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of plutonian

1604, in the meaning defined above

Learn More About plutonian

Time Traveler for plutonian

Time Traveler

The first known use of plutonian was in 1604

See more words from the same year

Dictionary Entries Near plutonian




See More Nearby Entries 

Statistics for plutonian

Cite this Entry

“Plutonian.” Dictionary, Merriam-Webster, Accessed 16 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

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

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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