speed
speed
- n distance travelled per unit time
- n a rate (usually rapid) at which something happens
the project advanced with gratifying speed - n changing location rapidly
- n the ratio of the focal length to the diameter of a (camera) lens system
- n a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
- v move fast
- v move faster
- v move very fast
The runner zipped past us at breakneck speed - v travel at an excessive or illegal velocity
I got a ticket for speeding - v cause to move faster
- An inside look at Asia's speed culture .
- Senator John Warner wants to enforce a national speed limit as an answer to soaring gas prices.
- Part of it is probably due to melting alone, but scientists also knew as early as 1996 that some glaciers' motion had begun to speed up.