n.
1.distance travelled per unit time
2.a rate (usually rapid) at which something happens
3.changing location rapidly
4.the ratio of the focal length to the diameter of a (camera) lens system
5.a central nervous system stimulant that increases energy and decreases appetite speed v.
1.step on it
2.move faster
3.travel at an excessive or illegal velocity
4.move very fast
5.cause to move faster
Idiom of the Day
have rocks in one's head
to be stupid, to not have good judgement
The girl has rocks in her head. She should never have bought that old car.