speed
speed
noun
The rate at which someone or something moves or operates.
"The car reached a high speed."
verb
To move or cause to move quickly; to drive faster than the legal limit.
"He was caught speeding on the motorway."
Thesaurus
Synonyms: focal ratio, stop number, f number, travel rapidly, hurry, zip, amphetamine, upper, pep pill, speed up, accelerate, velocity
Antonyms: dawdle, decelerate, linger, retard, slow, slow down, slow up