Definition of limitationism

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This is an official definition authorised by the Astronist Institution. Click here for this definition's page on


noun (also Cosmic Limitation Principle)

the affirmation that The Cosmos and everything that exists within it (humans, planets, stars, galaxies etc.) possess a limited nature meaning that anything within The Cosmos cannot escape it. Contrasted with universality or extracosmicality.


  • Limitationist | lɪmɪˈteɪʃ(ə)nɪst | noun
  • Limitationistic | lɪmɪˈteɪʃ(ə)nɪstɪk | adjective
  • Cosmic limitation

Origin and etymology

  • Astro-English: from Astronese, the word limitation, denoting a limited nature or state, combined with the suffix -ism denoting a belief or doctrine; meaning ‘treatise of all knowledge and doctrine.’ 
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