| speed | | |
| n. (time) | 1. speed, velocity | distance travelled per unit time. |
| ~ 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. |
| ~ terminal velocity | the constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity. |
| ~ rate | a magnitude or frequency relative to a time unit.; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected" |
| n. (attribute) | 2. fastness, speed, swiftness | a rate (usually rapid) at which something happens.; "the project advanced with gratifying speed" |
| ~ pace, rate | the relative speed of progress or change.; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated" |
| ~ haste, hastiness, hurriedness, hurry, precipitation | overly eager speed (and possible carelessness).; "he soon regretted his haste" |
| ~ execution speed | (computer science) the speed with which a computational device can execute instructions; measured in MIPS. |
| ~ graduality, gradualness | the quality of being gradual or of coming about by gradual stages. |
| n. (act) | 3. hurrying, speed, speeding | changing location rapidly. |
| ~ movement, move, motion | the act of changing location from one place to another.; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path" |
| ~ speedup, acceleration, quickening | the act of accelerating; increasing the speed. |
| ~ deceleration | the act of decelerating; decreasing the speed.; "he initiated deceleration by braking" |
| ~ scud, scudding | the act of moving along swiftly (as before a gale). |
| n. (linkdef) | 4. f number, focal ratio, speed, stop number | the ratio of the focal length to the diameter of a (camera) lens system. |
| ~ ratio | the relative magnitudes of two quantities (usually expressed as a quotient). |
| n. (artifact) | 5. amphetamine, pep pill, speed, upper | a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression. |
| ~ 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. |
| ~ 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. |
| ~ deoxyephedrine, meth, methamphetamine, methamphetamine hydrochloride, methedrine, shabu, chicken feed, chalk, crank, trash, glass, ice | an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant. |
| ~ excitant, stimulant drug, stimulant | a drug that temporarily quickens some vital process. |
| v. (motion) | 6. belt along, bucket along, cannonball along, hasten, hie, hotfoot, pelt along, race, rush, rush along, speed, step on it | move fast.; "He rushed down the hall to receive his guests"; "The cars raced down the street" |
| ~ go, locomote, move, travel | 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" |
| ~ barge, push forward, thrust ahead | push one's way.; "she barged into the meeting room" |
| ~ shoot down, buck, tear, charge, shoot | move quickly and violently.; "The car tore down the street"; "He came charging into my office" |
| ~ dash, scoot, scud, dart, flash, shoot | run or move very quickly or hastily.; "She dashed into the yard" |
| v. (change) | 7. accelerate, quicken, speed, speed up | move faster.; "The car accelerated" |
| ~ brisk, brisk up, brisken | become brisk.; "business brisked up" |
| ~ deepen, intensify | become more intense.; "The debate intensified"; "His dislike for raw fish only deepened in Japan" |
| v. (motion) | 8. hurry, speed, travel rapidly, zip | move very fast.; "The runner zipped past us at breakneck speed" |
| ~ go, locomote, move, travel | 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" |
| ~ dart, fleet, flit, flutter | move along rapidly and lightly; skim or dart.; "The hummingbird flitted among the branches" |
| ~ run | move fast by using one's feet, with one foot off the ground at any given time.; "Don't run--you'll be out of breath"; "The children ran to the store" |
| ~ whizz along, zoom, zoom along, whizz | move along very quickly. |
| v. (motion) | 9. speed | travel at an excessive or illegal velocity.; "I got a ticket for speeding" |
| ~ go, locomote, move, travel | 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" |
| v. (change) | 10. accelerate, speed, speed up | cause to move faster.; "He accelerated the car" |
| ~ alter, change, modify | cause to change; make different; cause a transformation.; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" |
| fleet | | |
| n. (group) | 1. fleet | group of aircraft operating together under the same ownership. |
| ~ aircraft | a vehicle that can fly. |
| ~ airline business, airline, airway | a commercial enterprise that provides scheduled flights for passengers. |
| ~ aggregation, collection, accumulation, assemblage | several things grouped together or considered as a whole. |
| n. (group) | 2. fleet | group of motor vehicles operating together under the same ownership. |
| ~ autobus, bus, charabanc, double-decker, jitney, motorbus, motorcoach, passenger vehicle, omnibus, coach | a vehicle carrying many passengers; used for public transport.; "he always rode the bus to work" |
| ~ bus line | an organization responsible for operating a bus transportation system. |
| ~ taxi, taxicab, cab, hack | a car driven by a person whose job is to take passengers where they want to go in exchange for money. |
| ~ aggregation, collection, accumulation, assemblage | several things grouped together or considered as a whole. |
| ~ motor pool | a fleet of military vehicles controlled by a single agency and available for use as needed. |
| n. (group) | 3. fleet | a group of steamships operating together under the same ownership. |
| ~ ship | a vessel that carries passengers or freight. |
| ~ steamship company, steamship line | a line responsible for the operation of a fleet of steamships. |
| ~ argosy | one or more large merchant ships. |
| n. (group) | 4. fleet | a group of warships organized as a tactical unit. |
| ~ flotilla | a fleet of small craft. |
| ~ flotilla | a United States Navy fleet consisting of two or more squadrons of small warships. |
| ~ guided missile frigate | a frigate that carries guided missiles. |
| ~ combat ship, war vessel, warship | a government ship that is available for waging war. |
| ~ aggregation, collection, accumulation, assemblage | several things grouped together or considered as a whole. |
| ~ naval forces, navy | an organization of military vessels belonging to a country and available for sea warfare. |
| ~ armada | a large fleet. |
| ~ battle fleet | a fleet of warships prepared for battle. |
| ~ wolf pack | a group of submarines operating together in attacking enemy convoys. |
| v. (motion) | 5. dart, fleet, flit, flutter | move along rapidly and lightly; skim or dart.; "The hummingbird flitted among the branches" |
| ~ butterfly | flutter like a butterfly. |
| ~ hurry, travel rapidly, zip, speed | move very fast.; "The runner zipped past us at breakneck speed" |
| v. (change) | 6. blow over, evanesce, fade, fleet, pass, pass off | disappear gradually.; "The pain eventually passed off" |
| ~ disappear, vanish, go away | get lost, as without warning or explanation.; "He disappeared without a trace" |
| adj. | 7. fleet, swift | moving very fast.; "fleet of foot"; "the fleet scurrying of squirrels"; "a swift current"; "swift flight of an arrow"; "a swift runner" |
| ~ fast | acting or moving or capable of acting or moving quickly.; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car" |
| quick | | |
| n. (body) | 1. quick | any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail). |
| ~ region, area | a part of an animal that has a special function or is supplied by a given artery or nerve.; "in the abdominal region" |
| adj. | 2. quick, speedy | accomplished rapidly and without delay.; "was quick to make friends"; "his quick reaction prevented an accident"; "hoped for a speedy resolution of the problem"; "a speedy recovery"; "he has a right to a speedy trial" |
| ~ fast | acting or moving or capable of acting or moving quickly.; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car" |
| adj. | 3. fast, flying, quick | hurried and brief.; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit" |
| ~ hurried | moving rapidly or performed quickly or in great haste.; "a hurried trip to the store"; "the hurried life of a city"; "a hurried job" |
| adj. | 4. agile, nimble, quick, spry | moving quickly and lightly.; "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it" |
| ~ active | characterized by energetic activity.; "an active toddler"; "active as a gazelle"; "an active man is a man of action" |
| adj. | 5. quick, ready | apprehending and responding with speed and sensitivity.; "a quick mind"; "a ready wit" |
| ~ intelligent | having the capacity for thought and reason especially to a high degree.; "is there intelligent life in the universe?"; "an intelligent question" |
| adj. | 6. immediate, prompt, quick, straightaway | performed with little or no delay.; "an immediate reply to my letter"; "a prompt reply"; "was quick to respond"; "a straightaway denial" |
| ~ fast | acting or moving or capable of acting or moving quickly.; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car" |
| adj. | 7. quick, warm | easily aroused or excited.; "a quick temper"; "a warm temper" |
| ~ excitable | easily excited. |
| adv. | 8. promptly, quick, quickly | with little or no delay.; "the rescue squad arrived promptly"; "come here, quick!" |
Recent comments
4 weeks 5 days ago
9 weeks 4 hours ago
10 weeks 3 days ago
25 weeks 5 days ago
25 weeks 5 days ago
25 weeks 5 days ago
26 weeks 2 days ago
30 weeks 4 days ago
31 weeks 3 days ago
32 weeks 1 day ago