Word.ws English Dictionary

flat-earth

flat-earth adjective: of or relating to the theory that planet Earth is flat.

Adjective

flat-earth (not comparable)

  1. Of or relating to the theory that planet Earth is flat.
    • So looks the Shakespearean who is confronted by a rancid Baconian, or the astronomer who is assailed by a flat-earth fanatic.1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC

Words formed from flat-earth

Questions about flat-earth

What does flat-earth mean?
Flat-earth means of or relating to the theory that planet Earth is flat.
What part of speech is flat-earth?
Flat-earth is an adjective.

Words near flat-earth in the dictionary

  1. flat-chested
  2. flat-chestedness
  3. flat-coated retriever
  4. Flat-coated Retrievers
  5. flat-crown
  6. flat-earth
  7. flat-earther
  8. flat-earthers
  9. flat-earthery
  10. flat-earthism
  11. flat-earthist

Source and license

Adapted from Wiktionary: flat-earth (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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