deteriorated

"The lack of sleep severely impaired her ability to concentrate in class. "

"As you are my inferior, I can tell you to do anything I want."

"In the cult of degenerates, acts of decency, kindness and modesty could be seen as acts of apostasy."

"a world apart"

"The Shakespearean Shylock is of dubious value in the modern world."

"The schoolyard was enclosed by a tall wooden fence. "

"Abducting children is bad for mothers."

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

"Lack of sleep can impair your ability to concentrate in class. "

"The apple is falling from the tree. "

"to deteriorate the mind"

"On a recent windy day, hundreds of visitors climbed wooden stairs to take pictures in front of the glacier."