The work involved in performing an activity; exertion.
An endeavor.
A force acting on a body in the direction of its motion.
To make an effort.
A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action.
A things or person that annoys
The state of being irritated
The act of irritating or annoying
a state of inflammation or painful reaction to allergy or cell-lining damage.