toughness

Meanings

1. 1
   noun

   impressive difficulty

2. 2
   noun

   the elasticity and hardness of a metal object

3. 3
   noun

   the property of being big and strong

4. 4
   noun

   enduring strength and energy

5. 5
   noun

   The state of being tough.

6. 6
   noun

   A formidable difficulty.

Etymology

From Middle English toughnesse, towghnesse, towghenesse, equivalent to tough + -ness.