curved

"The workers were pitching the seams of the boat to make it waterproof. "

"My history teacher explained the romantic languages, like French and Spanish, in class today. "

"My daughter's teacher is very kind and helpful. "

"an advance in health or knowledge"

"The distribution of the school supplies was done fairly, giving each student an equal amount. "

"The driver made a sudden swerve to avoid hitting the child running into the street. "

"The plants gradually grew taller over the summer. "

"The normal course of events seems to be just one damned thing after another."

"Keep going in the same direction."

"We spent the weekend hiking in the mountains."

"You should slow down when approaching a curve."

"The straight path to the school led past the park. "