n.
1.(physics) the capacity of a physical system to do work
2.an exertion of force
3.enterprising or ambitious drive
4.an imaginative lively style (especially style of writing)
5.a healthy capacity for vigorous activity
6.the federal department responsible for maintaining a national energy policy of the United States
Idiom of the Day
Drop dead!
Go away!, to stop bothering someone
I told my brother to drop dead when he came into my room and now he is angry at me.