neolithic

adjective1

1. •
   (informal) hopelessly outdated

   • What am I supposed to do with this neolithic piece of machinery?

adjective1

1. •
   Of or relating to the New Stone Age.

   • ... I was fascinated by a pair of stories about a Neolithic girl who wrote the first letter, and invented the first alphabet. — 2013

noun1

1. •
   A person who lived during the New Stone Age.

   • For the Neolithics, the stone was flint, and it's still impressive to see what they were able to achieve with it. — 2011