stubborn

"to present an envoy to the king"

"My friend told me there was something in the box, but I didn't know what it was yet. "

"A ticket admits one into a playhouse."

"I brush my teeth regularly to prevent them from turning yellow."

"The children physically exhausted themselves playing tag in the park. "

"The baker threw away the misshapen loaf of bread because it was too lopsided to sell. "

"She has had a persistent cough for weeks."

"The child was resisting going to bed, even though he was tired. "

"Her stubbornness made it difficult to convince her that she was wrong, even with the evidence in front of her. "

"My little brother was obstinate about wanting a new video game, refusing to consider any other activity. "

"The teacher characterized the student as disruptive in class. "

"The schedule was inflexible, so we couldn't change our meeting time. "