flat-earther

noun
flat-earth·​er | \ ˌflat-ˈər-thər How to pronounce flat-earther (audio) \
variants: or less commonly flat-earthist \ ˌflat-​ˈər-​thist How to pronounce flat-earthist (audio) \

Definition of flat-earther

: a person who believes that the planet Earth is flat

First Known Use of flat-earther

1926, in the meaning defined above

Keep scrolling for more

Learn More about flat-earther

Statistics for flat-earther

Look-up Popularity

Time Traveler for flat-earther

The first known use of flat-earther was in 1926

See more words from the same year

Comments on flat-earther

What made you want to look up flat-earther? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

providing supplementary assistance

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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