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

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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, "4 Far-Out Space Hoaxes for April Fools’ Day," 31 Mar. 2016 His most recent discoveries, the two tiny Plutonian satellites, were named with the help of a popular vote. Nadia Drake, WIRED, "New Moon Discovered Around Neptune in Old Hubble Images," 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

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Time Traveler for plutonian

The first known use of plutonian was in 1604

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More from Merriam-Webster on plutonian

Rhyming Dictionary: Words that rhyme with plutonian

Thesaurus: All synonyms and antonyms for plutonian

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