Learner's definition of COURAGE
: the ability to do something that you know is difficult or dangerous
The troops showed great courage [=bravery] in battle.
She has the courage to support unpopular causes.
It takes courage to stand up for your rights.
I finally worked/got up the courage [=nerve] to tell him the bad news.
They showed great courage [=fearlessness] and determination.
Eventually she summoned (up) the courage to confront him.
They showed courage under fire. [=they were brave while they were being shot at or while they were being strongly criticized]
He has the courage of his convictions. [=he is not afraid to do what he believes is right]