infantile

"Talking back to your teacher is disrespectful. "

"Meeting him will be exciting. I enjoy meeting new people."

"The child's disruptive behavior in class was a concern for the teacher. "

"The documents pertaining to my car insurance claim are now all submitted. "

"The zookeeper carefully separated the mature gorillas from the immature in the enclosure to prevent conflict. "

"It was a surprise to see the captain, who had always seemed so serious, laugh so heartily."

"The intricate making of the model airplane showcased the student's skill. "

"The child's childish tantrum in the supermarket was embarrassing for his parents. "

"The daycare center provides a quiet room where infants can nap during the day. "

"After the accident, the athlete suffered paralysis in his left leg. "

"That girl has a pretty face."

"The storm during all night. "