definitions

flat-earther

[ flat-ur-ther ]
/ ˈflætˈɜr θər /

noun

a person who adheres to the idea that the earth is flat.
a person who clings to an idea or theory that has long been proved wrong.

RELATED CONTENT

When To Capitalize “Earth”When it comes to writing, this common English word confuses many native speakers who aren’t sure whether to use Earth or earth. Why is this an issue? Earth can be either a proper noun or a common noun. In English, proper nouns (nouns which signify a particular person, place, or thing) are capitalized. Following this rule, when Earth is discussed as a specific planet or …
READ MORE
Bizarre Town Names We Couldn’t Make UpRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

flat-bed press, flat-bed scanner, flat-bottomed, flat-bottomed rail, flat-coated retriever, flat-earther, flat-felled seam, flat-file, flat-footed, flat-grained, flat-joint pointing

Origin of flat-earther

1930–35; flat earth + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for flat-earther

flat-earther

noun

informal a person who does not accept or is out of touch with the realities of modern life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012