A challenge to prove courage.

The quality of daring; venturesomeness; boldness.

Defiance; challenge.

To have enough courage (to do something).

“I wouldn't dare argue with my boss.”

To defy or challenge (someone to do something)

“I dare you (to) kiss that girl.”

To have enough courage to meet or do something, go somewhere, etc.; to face up to

“Will you dare death to reach your goal?”