The quality of being tenacious; persistently determined and hard to change from a certain (often organizational) point of view. Not giving up easily.

 

"In the eye of adversity, our CEOs greatest weapon is his tenacity."

 

"About the only way to describe how we survived the last recession was “tenacity”. We never gave up!"

 

"One historic leader who exhibited tenacity was Abraham Lincoln."

 

"I wish we had our competition's tenacity."