planetary

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adjective plan·e·tary \ˈpla-nə-ˌter-ē\

Definition of planetary

  1. 1a :  of, relating to, being, or resembling a planetb :  erratic, wanderingc :  having a motion like that of a planet planetary electronsd :  immense the scope of this project has reached planetary proportions

  2. 2a :  of, relating to, or belonging to the earth :  terrestrialb :  global, worldwide planetary politics

  3. 3 :  having or consisting of an epicyclic train of gear wheels

Examples of planetary in a Sentence

  1. a positively planetary new shopping development

Recent Examples of planetary from the Web

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

First Known Use of planetary

1607


PLANETARY Defined for English Language Learners

planetary

play
adjective

Definition of planetary for English Language Learners

  • : of or relating to planets


PLANETARY Defined for Kids

planetary

play
adjective plan·e·tary \ˈpla-nə-ˌter-ē\

Definition of planetary for Students

  1. 1 :  of or relating to a planet

  2. 2 :  having a motion like that of a planet



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