sturdy

adjective

1. 1

   substantially made or constructed

   sturdy steel shelves

   sturdy canvas

2. 2

   not making concessions

   took an uncompromising stance in the peace talks

   uncompromising honesty

3. 3

   having rugged physical strength; inured to fatigue or hardships

   hardy explorers of northern Canada

   proud of her tall stalwart son