Definitions for speed

Definitions for (noun) speed

Main entry: speed, speeding, hurrying

Definition: changing location rapidly

Main entry: pep pill, speed, amphetamine, upper

Definition: a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

Main entry: fastness, speed, swiftness

Definition: a rate (usually rapid) at which something happens

Usage: the project advanced with gratifying speed

Main entry: f number, focal ratio, stop number, speed

Definition: the ratio of the focal length to the diameter of a (camera) lens system

Main entry: speed, velocity

Definition: distance travelled per unit time

Definitions for (verb) speed

Main entry: speed, speed up, accelerate, quicken

Definition: move faster

Usage: The car accelerated

Main entry: accelerate, speed, speed up

Definition: cause to move faster

Usage: He accelerated the car

Main entry: zip, travel rapidly, hurry, speed

Definition: move very fast

Usage: The runner zipped past us at breakneck speed

Main entry: speed

Definition: travel at an excessive or illegal velocity

Usage: I got a ticket for speeding

Main entry: hasten, hotfoot, hie, cannonball along, bucket along, pelt along, belt along, step on it, race, speed, rush, rush along

Definition: move fast

Usage: He rushed down the hall to receive his guests; The cars raced down the street

Visual thesaurus for speed