Share: Obsessive-compulsive disorder (OCD) is an illness that causes people to have unwanted thoughts (obsessions) and to repeat certain behaviors (compulsions) over and over again.We all have habits and routines in our daily lives, such as brushing our teeth before bed.hare: Obsessive-compulsive disorder (OCD) is an illness that causes people to have unwanted thoughts (obsessions) and to repeat certain behaviors (compulsions) over and over again.
Leverage definition, the action of a lever, a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third. See more. Dictionary.com
n. 1  1. Any of various hand or power tools, often having fixed or adjustable jaws, used for gripping, turning, or twisting objects such as nuts, bolts, or pipes, typically at an angle perpendicular to the object's axis. 2  2. A sudden, forcible twist, turn, or pull: gave the steering wheel a wrench.