The librarian gave a cautionary reminder about returning overdue books to avoid fines.

During World War II debates in the White House, the cautionaries often argued against immediate intervention, fearing the human and economic costs.

During the fog, the dispatcher authorized two slower trains to enter the cautionary block with strict speed limits to maintain safe separation.

Teachers often use cautionary tales to discourage risky behavior among students.

The old village legend turned into a cautionary tale that parents told their children to keep them from wandering into the woods at night.

The construction site used cautionary blocks to redirect pedestrians away from the excavation.