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.
Origin of flat-earther
1930–35;
flat earth +
-er1
Words nearby flat-earther
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