atrocity

"My grandmother taught me how to bake cookies when I was a child. "

"The unequal grading system in the school created a sense of injustice among the students. "

"The flood caused the displacement of many families from their homes. "

"I will purchase the vacation package if you will include car rental."

"Consider that we’ve had three major events and the year has hardly begun."

"The teacher saw the wickedness in the student's actions and decided to speak with the parents. "

"The city struggled to reduce criminality by investing in youth programs and job training. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"The new student was considered an undesirable in the class because of his disruptive behavior. "

"The regime is guilty of mass atrocities including forced displacement and the use of chemical weapons."

"I apologize, but "unattractive" is an adjective, not a noun. Here's a sentence using it correctly as an adjective, keeping your other guidelines in mind: "He felt unattractive after getting a bad haircut." "

"The haunted house was horrifying, from one room to the next I felt more and more like I wasn’t going to survive."