unrelenting

"The teacher was merciful and gave the student another chance to retake the test. "

"The family is becoming more organized now that they have a new calendar. "

"He had planned to ground his son for a month, but relented and decided to give him a stern lecture instead."

"the heat of summer"

"The outside of the school building was painted a bright yellow. "

"The being in the classroom was quiet today. "

"I have a house and a car."

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

"My uncle always drinks a mild, for a light-tasting beer. "

"The new student, a gentle of the wealthy Rodriguez family, was warmly welcomed by the school. "

"The teacher's lenient approach to grading helped students feel more confident in their abilities. "

"I felt a pang of pity for the lost puppy shivering in the rain. "