plucky (adjective)

1. The plucky missionary risked his life to spread his faith in a hostile land.

2. In the cartoon, the plucky protagonist always finds a clever solution to any problem.

3. The plucky heroine never gives up in the face of adversity, inspiring her friends to do the same.

4. The plucky group of teenagers bravely ventured into the haunted house despite the chilling legends surrounding it.