Definition of speed Speed

/spiˈd/ - [speed] - speed

We found 43 definitions of speed from 7 different sources.

Advertising

What does speed mean?

WordNet

WordNet by Princeton University

Noun

Plural: speed

speed - distance travelled per unit time
  velocity
  rate amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5"
  angular velocity (physics) the rate of change of the angular position of a rotating body; usually expressed in radians per second or radians per minute
  airspeed the speed of an aircraft relative to the air in which it is flying
  escape velocity the minimum velocity needed to escape a gravitational field
  groundspeed the speed of an aircraft relative to the ground
  hypervelocity excessive velocity; "the meteorites struck the earth with hypervelocity impacts"
  muzzle velocity the velocity of a projectile as it leaves the muzzle of a gun
  peculiar velocity velocity with respect to the local standard of rest
  radial velocity velocity along the line of sight toward or away from the observer
  light speed, speed of light, c the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
  steerageway (nautical) the minimum rate of motion needed for a vessel to be maneuvered
speed - a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
  swiftness, fastness
  rate, pace amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5"
  hurriedness, hastiness, haste, hurry, precipitation hasty impulsiveness
  execution speed (computer science) the speed with which a computational device can execute instructions; measured in MIPS
speed - changing location rapidly
  speeding, hurrying
  move, motion, movement the act of deciding to do something; "he didn't make a move to help"; "his first move was to hire a lawyer"
  speedup, acceleration, quickening the act of accelerating; increasing the speed
  deceleration the act of decelerating; decreasing the speed; "he initiated deceleration by braking"
speed - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
  amphetamine, pep pill, upper
  excitant, stimulant drug, stimulant a drug that temporarily quickens some vital process
  drug of abuse, street drug a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
  amphetamine sulfate, amphetamine sulphate a sulfate derivative of amphetamine that is used as a stimulant for the central nervous system
  bennie, benzedrine a form of amphetamine
  dexedrine, dextroamphetamine sulphate an isomer of amphetamine (trade name Dexedrine) used as a central nervous system stimulant
speed - the ratio of the focal length to the diameter of a (camera) lens system
  focal ratio, f number, stop number

Verb

speeds, speeding, sped  

speed - travel at an excessive or illegal velocity; "I got a ticket for speeding"
  locomote, travel, move, go change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"
speed - cause to move faster; "He accelerated the car"
  accelerate, speed up
  decelerate, slow down reduce the speed of; "He slowed down the car"
  modify, alter, change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
speed - move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street"
  rush, hotfoot, hasten, hie, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it
  dawdle, linger take one's time; proceed slowly
  locomote, travel, move, go change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"
  accelerate, speed up, quicken, speed move faster; "The car accelerated"
  push forward, thrust ahead, barge transport by barge on a body of water
  shoot down, buck, tear, shoot, charge jump vertically, with legs stiff and back arched; "the yung filly bucked"
  scoot, scud, dart, dash, flash, shoot run before a gale
speed - move faster; "The car accelerated"
  accelerate, speed up, quicken
  decelerate, slow, slow up, retard, slow down reduce the speed of; "He slowed down the car"
  deepen, intensify become deeper in tone; "His voice began to change when he was 12 years old"; "Her voice deepened when she whispered the password"
  brisk, brisk up, brisken become brisk; "business brisked up"
speed - move very fast; "The runner zipped past us at breakneck speed"
  travel rapidly, hurry, zip
  locomote, travel, move, go change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast"
  accelerate, speed up, quicken, speed move faster; "The car accelerated"
  flit, fleet, dart, flutter move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches"
  run become undone; "the sweater unraveled"
  whizz along, zoom along, whizz, zoom make a soft swishing sound; "the motor whirred"; "the car engine purred"
= synonym
= antonym
= related word

Wiktionary Wiktionary dictionary logo

  • speed (Noun)
    The state of moving quickly or the capacity for rapid motion; rapidity.
  • speed (Noun)
    The sensitivity to light of film, plates.
  • speed (Noun)
    Any amphetamine drug used as a stimulant, especially illegally, especially methamphetamine.
  • speed (Noun)
    Luck, success, prosperity.
  • speed (Verb)
    To succeed; to prosper, be lucky.
  • speed (Verb)
    To help someone, to give them fortune.
  • speed (Verb)
    To go fast, especially excessively fast.
  • speed (Verb)
    To exceed the speed limit .
  • speed (Verb)
    To increase the rate at which something occurs.
  • speed (Verb)
    To be under the influence of stimulant drugs, especially amphetamines.

Webster DictionaryWebster's Unabridged Dictionary 📘

  • speed (n.)
    Prosperity in an undertaking; favorable issue; success.
  • speed (n.)
    The act or state of moving swiftly; swiftness; velocity; rapidly; rate of motion; dispatch; as, the speed a horse or a vessel.
  • speed (n.)
    One who, or that which, causes or promotes speed or success.
  • speed (n.)
    To go; to fare.
  • speed (n.)
    To experience in going; to have any condition, good or ill; to fare.
  • speed (n.)
    To fare well; to have success; to prosper.
  • speed (n.)
    To make haste; to move with celerity.
  • speed (n.)
    To be expedient.
  • speed (v. t.)
    To cause to be successful, or to prosper; hence, to aid; to favor.
  • speed (v. t.)
    To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry.
  • speed (v. t.)
    To hasten to a conclusion; to expedite.
  • speed (v. t.)
    To hurry to destruction; to put an end to; to ruin; to undo.
  • speed (v. t.)
    To wish success or god fortune to, in any undertaking, especially in setting out upon a journey.

OmegaWiki DictionaryOmegaWiki Dictionary Ί

  • speed
    A scalar measure of the rate of movement of a body expressed either as the distance travelled divided by the time taken (average speed) or the rate of change of position with respect to time at a particular point (instantaneous speed). It is measured in metres per second, miles per hour, etc.
  • speed
    To move faster.
  • speed
    An addictive psychoactive drug of formula C₁₀H₁₅N.
  • speed
    To cause to move faster.
  • speed
    To move fast.

Chambers DictionaryChamber's 20th Century Dictionary 📕

  • speed
    spēd, n. quickness, velocity: success.—v.i. to move quickly, to hurry: to succeed, to fare.—v.t. to despatch quickly: to hasten, as to a conclusion: to cause to advance, to push forward: to give a certain speed to, regulate the speed of: to send off, to put forth, to rid of, to kill: to cause to be relieved (only in passive): to execute: to aid: to make prosperous:—pr.p. speed′ing; pa.t. and pa.p. sped.—n. Speed′er, one who, or that which, promotes speed.—adj. Speed′ful, speedy.—advs. Speed′fully; Speed′ily.—ns. Speed′iness, speed, haste; Speed′-pull′ey, a pulley having different faces of different diameters giving various speeds according to the face the belt passes over; Speed′well (Veronica), a genus of plants of the natural order Scrophulariaceæ, with blue, white, or pink flowers, the leaves of some species used medicinally.—adj. Speed′y, hasty: quick: nimble. [A.S. spéd; Dut. spœd.]

Wikipedia Wiktionary dictionary logo

  • Speed is the distance that an object moves in a certain amount of time. Speed is a measure of how fast something is moving.

    Finding speed.

    To find speed formula_1,

    formula_2formula_3

    where formula_4 is the distance and formula_5 is the time that has gone by.

    Units of measurement for speed.

    There are many units of measurement for speed. For example, an object's speed can be measured in

    Changing speed.

    When an object changing speed, it gets faster or slower. When the object becomes faster, and the speed increases, it is called acceleration. When the object gets slower, and the speed decreases, it is called deceleration, or negative acceleration.
  • band
    SPEED is a Japanese music group. The group is made up of four female singers. They are from Okinawa, Japan. The members are Hiroko Shimabukuro, Eriko Imai, Takako Uehara and Hitoe Arakaki. Hiroko and Eriko are lead vocal singers.

    When they debuted, Hiroko was 12 years old. They made their debut single “Body & Soul” in 1996. They have many songs which sold million records.

    They broke up in March 31, 2000. From 2000 to 2008, they have broken up and came back together several times. They made their latest come back in 2008.
  • movie
    Speed is a 1994 movie. It stars Keanu Reeves, Sandra Bullock, Jeff Daniels, and Dennis Hopper. It is about a police officer (Reeves) who has to stop a bomber (Hopper), who has put a bomb on a city bus. The Movie was a Box Office success across the world

    It was followed by a 1997 sequel, '.

Part of speech

🔤
  • speed, verb, present, 1st person singular of speed (infinitive).
  • speed, verb (infinitive).
  • speed, noun, singular of speeds.

Pronunciation

%NAME

%TEXT

Word frequency

Speed is...

Very rare
Rare
Normal
Common
Very Common
Rare
Normal
Common

Sign Language

speed in sign language
Sign language - letter S Sign language - letter S Sign language - letter P Sign language - letter P Sign language - letter E Sign language - letter E Sign language - letter E Sign language - letter E Sign language - letter D Sign language - letter D

Your last searches

Last searches

See also

Advertising
Jump to
logo Wordnet logo Wiktionary 📘 Webster Dictionary Ω OmegaWiki Dictionary 📕 Chambers Dictionary logo Wikipedia 🔤 Part of speech
Advertising