n.
1.the action or reaction of something (as a machine or substance) under specified circumstances
2.(behavioral attributes) the way a person behaves toward other people
3.(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
4.manner of acting or conducting yourself
Idiom of the Day
on the edge of one's seat
nervously and excitedly waiting for something
I have been on the edge of my seat all day while I wait for the contest to begin.