n.
1.a change for the worse
2.alteration in the shape or dimensions of an object as a result of the application of stress to it
3.the act of twisting or deforming the shape of something (e.g., yourself)
Idiom of the Day
stand over (someone or something)
to watch someone or something closely, to keep checking someone or something all the time
The father stood over his son to make sure that he was studying for his final exams.