English noun: speed | |||
1. | speed (time) distance travelled per unit time | ||
Synonyms | velocity | ||
Broader (hypernym) | rate | ||
Narrower (hyponym) | airspeed, angular velocity, c, escape velocity, groundspeed, hypervelocity, light speed, muzzle velocity, peculiar velocity, radial velocity, speed of light, steerageway, terminal velocity | ||
2. | speed (attribute) a rate (usually rapid) at which something happens | ||
Samples | The project advanced with gratifying speed. | ||
Synonyms | fastness, swiftness | ||
Broader (hypernym) | pace, rate | ||
Narrower (hyponym) | execution speed, graduality, gradualness, haste, hastiness, hurriedness, hurry, precipitation | ||
Attribute | fast, slow | ||
3. | speed (act) changing location rapidly | ||
Synonyms | hurrying, speeding | ||
Broader (hypernym) | motion, move, movement | ||
Narrower (hyponym) | acceleration, deceleration, quickening, scud, scudding, speedup | ||
4. | speed the ratio of the focal length to the diameter of a (camera) lens system | ||
Synonyms | f number, focal ratio, stop number | ||
Broader (hypernym) | ratio | ||
5. | speed (artifact) a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | ||
Synonyms | amphetamine, pep pill, upper | ||
Broader (hypernym) | drug of abuse, excitant, stimulant, stimulant drug, street drug | ||
Narrower (hyponym) | amphetamine sulfate, amphetamine sulphate, bennie, Benzedrine, chalk, chicken feed, crank, deoxyephedrine, Dexedrine, dextroamphetamine sulphate, glass, ice, meth, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, trash | ||
English verb: speed | |||
1. | speed (motion) move fast | ||
Samples | He rushed down the hall to receive his guests. The cars raced down the street. | ||
Examples | They speed up the hill | ||
Synonyms | belt along, bucket along, cannonball along, hasten, hie, hotfoot, pelt along, race, rush, rush along, step on it | ||
Pattern of use | Something ----s. Somebody ----s | ||
Broader (hypernym) | go, locomote, move, travel | ||
Narrower (hyponym) | barge, buck, charge, dart, dash, flash, push forward, scoot, scud, shoot, shoot, shoot down, tear, thrust ahead | ||
Antonyms | dawdle, linger | ||
2. | speed (change) move faster | ||
Samples | The car accelerated. | ||
Examples | These cars won't speed | ||
Synonyms | accelerate, quicken, speed up | ||
Pattern of use | Something ----s. Somebody ----s. Somebody ----s something. Something ----s something | ||
Broader (hypernym) | deepen, intensify | ||
Narrower (hyponym) | brisk, brisk up, brisken | ||
Antonyms | decelerate, slow, slow down, slow up, retard | ||
3. | speed (motion) move very fast | ||
Samples | The runner zipped past us at breakneck speed. | ||
Examples | These cars won't speed | ||
Synonyms | hurry, travel rapidly, zip | ||
Pattern of use | Something is ----ing PP. Somebody ----s PP | ||
Broader (hypernym) | go, locomote, move, travel | ||
Narrower (hyponym) | dart, fleet, flit, flutter, run, whizz, whizz along, zoom, zoom along | ||
4. | speed (motion) travel at an excessive or illegal velocity | ||
Samples | I got a ticket for speeding. | ||
Examples | These cars won't speed | ||
Pattern of use | Something is ----ing PP. Somebody ----s PP | ||
Broader (hypernym) | go, locomote, move, travel | ||
5. | speed (change) cause to move faster | ||
Samples | He accelerated the car. | ||
Synonyms | accelerate, speed up | ||
Pattern of use | Somebody ----s something. Somebody ----s somebody. Something ----s somebody. Something ----s something | ||
Broader (hypernym) | alter, change, modify | ||
Antonyms | decelerate, slow down | ||