turtlesque

adjective2

1. •
   Resembling or characteristic of turtles.

   • Their mother had the same features, voice, and colouring, but slimness had developed into the turtlesque figure of a staunch type of British matron in her early fifties, who has no American prototype. — 1908
2. •
   Slow

   • Unfortunately, it prints text at such a turtlesque speed that for many applications it's not even in the running. — 1989