enmity

"He is a student of life."

"Our neighborhood was our only reason to exchange hollow greetings."

"My resentment and anger towards you caused hostility and a division between us."

"The teacher stood and pointed to the map, standing in front of the class. "

"The student's opposition to the new school rules caused a disruption. "

"My brother constantly helps his younger sister with her homework, demonstrating his steadfast loyalty and support. "

"The hostile between the two families made any peaceful solution impossible. "

"The scouts reported on the disposition of the enemy troops."

"Everyone in the class needs to bring their textbook to the first lecture. "

"Quality of life is usually determined by health, education, and income."

"The unfriendly at the office gossiped about the new manager. "

"The political debate created a lot of animosity between the two families, who used to be close friends. "