impassible

"Procrastinating on the project caused a detriment to my final grade. "

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

"My uncle ran in the city marathon last weekend. "

"The teacher remained impassive despite the student's disruptive behavior. "

"The incapable student struggled to complete even the simplest assignments. "

"The program will run smoothly under these conditions: the computer has enough memory and the internet connection is stable. "

"The new bicycle's metallic silver paint gleamed in the sunlight. "

"The extreme of the workday was the three-hour meeting. "

"Her outburst of anger surprised everyone in the quiet office. "

"All he had to show for four years of attendance at college was a framed piece of paper."

"Is anyone here afraid of suffering hardship?"

"Despite her parents' disapproval, Sarah pursued her dream of becoming a musician. "