turtleish

adjective2

1. •
   Resembling or reminiscent of turtles.

   • I gave her a shy glance and suddenly realized that her hooked nose was less birdlike than it was turtleish. Her eyes had a reptilian coldness about them as well. — 2011
2. •
   Slow

   • Advanced burlesque, even, wouldn't have him for a house manager; why should the very real business of photodrama tolerate his turtleish inefficiency? — 1915