Meaning of Great Filter | Babel Free

Definitions

1. A barrier which prevents intelligent life from developing to a level where it can be detected across interstellar distances.
2. The hypothesis that such a barrier exists.

Equivalents

Examples

“While there are plenty of potential explanations and counterarguments for the Fermi paradox, one that has grabbed a lot of attention is known as the Great Filter - the idea that there is some sort of filter that prevents a civilization from becoming advanced enough to traverse the galaxy.”

CEFR level