speed
noun
1. distance travelled per unit time
Similar word(s): velocity
Definition categories: time, rate
2. a rate (usually rapid) at which something happens
- the project advanced with gratifying speed
Similar word(s): fastness, swiftness
Definition categories: attribute, pace, rate
3. changing location rapidly
Similar word(s): hurrying, speeding
Definition categories: act, motion, move, movement
4. the ratio of the focal length to the diameter of a (camera) lens system
Definition categories: link, ratio
5. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
Similar word(s): amphetamine, upper
Definition categories: man–made, excitant, stimulant
Sentences with speed as a noun:
- How does Usain Bolt run at that speed?
verb
1. move hurridly
Similar word(s): hasten, hie, hotfoot, race, rush
Definition categories: motion, go, locomote, move, travel
2. move faster
Similar word(s): accelerate, quicken
Definition categories: change, deepen, intensify
3. move very fast
- The runner zipped past us at breakneck speed
Definition categories: motion, go, locomote, move, travel
4. travel at an excessive or illegal velocity
- I got a ticket for speeding
Definition categories: motion, go, locomote, move, travel
5. cause to move faster
Similar word(s): accelerate
Definition categories: change, alter, modify
Sentences with speed as a verb:
- God speed, until we meet again.
- The Ferrari was speeding along the road.
- Why do you speed when the road is so icy?