unchallenged

""The group of friends issued playful challenges to each other to see who could build the tallest sandcastle." "

"One child stood as king of the hill, and tried to withstand the pushes and shoves of his challengers."

"Our team worked hard to defeat our competitors in the soccer tournament. "

"After the party, only a few close friends remained to help clean up. "

"The defending champion is expected to defeat his challenger."

"The difficulty of the math problem made it hard for many students to solve it. "

"It was an experience he would not soon forget."

"The doctor quickly withdrew the needle after giving me the shot. "

"Aisha received an unprepared for not having her math notebook in class. "

"The knight's training involved participating in a series of tournaments, preparing him for future battles. "

"Maria couldn't go to the park because she had to finish her schoolwork. "

"Even from a young age it was clear that she had the potential to become a great musician."