temperless

adjective2

1. •
   Untempered.

   • It may also be explained aesthetically: Pearl River potters seemed to prefer a more uniform, polished, "temperless" look for serving ware vessels. — 2006
2. •
   Showing no passion; impassive.

   • However formal and temperless may seem the greater part of the written diplomatic history of a nation, the real facts are often quite different. — 1887