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1. Dictionary

   speed

   /spiːd/

   noun

   • 1. the rate at which someone or something moves or operates or is able to move or operate: "we turned on to the runway and began to gather speed" Similar ratepacetempomomentum
   • ▪ rapidity of movement or action: "the accident was due to excessive speed" Similar rapidityswiftnessspeedinessalacrityquicknessfastnesscelerityvelocitydispatchpromptnessimmediacyexpeditiousnessexpeditionbrisknesssharpnesshastehurryhurriednessprecipitatenessaccelerationinformal:lickclipliterary:fleetnessrare:alacritousnessOpposite slownessdilatoriness
   • ▪ the rate at which something happens or is done: "they were bemused by the speed of events"
   • ▪ something that matches one's tastes or inclinations: informal "oak tables and chairs are more his speed"
   • 2. each of the possible gear ratios of a bicycle or motor vehicle.
   • 3. the light-gathering power or f-number of a camera lens.
   • ▪ the duration of a photographic exposure.
   • ▪ the sensitivity of photographic film to light.
   • 4. an amphetamine drug, especially methamphetamine. informal
   • 5. success; prosperity: archaic "wish me good speed"

   verb

   • 1. move quickly: "I got into the car and home we sped" Similar hurryracerunsprintdashboltdartrushhastenhurtlecareerstreakshootwhizzzoomgo like lightninggo hell for leatherspank alongbowl alongrattle alongwhirlwhooshbuzzswoopflashblastchargestampedegallopsweephareflywingscurryscudscutterscrambleinformal:beltpelttearhotfoot itzapzipwhipscootscorchburn rubbergo like a bat out of hellbombbucketshiftput one's foot downgo like the clappersleg itwheechclipboogiehightailbarrellay rubberget the lead outvulgar slang:drag/tear/haul assliterary:fleetarchaic:posthierare:driveOpposite amblestroll
   • ▪ (of a motorist) travel at a speed that is greater than the legal limit: "the car that crashed was speeding" Similar drive too fastexceed the speed limitbreak the speed limit
   • 2. make prosperous or successful: archaic "may God speed you"
   • 3. take or be under the influence of an amphetamine drug: informal "more kids than ever are speeding, tripping, and getting stoned"

   Word Origin Old Englishspēd (noun), spēdan (verb), from the Germanic base of Old English spōwan ‘prosper, succeed’, a sense reflected in early usage.

   Derivatives

   • 1. speeder noun

   Scrabble Points: 8

   • S

     1

   • P

     3

   • E

     1

   • E

     1

   • D

     2

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2. byjus.com › physics › measurement-of-speedWhat Is Speed? - Definition, Formula, Unit, Types & Measurement -...

   byjus.com › physics › measurement-of-speed

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   Speed is measured as the ratio between the distance and time and the SI unit of speed is m/s. It is the change in the position of an object with respect to time. There are four types of speed: uniform speed, variable speed, average speed, and instantaneous speed.

3. dictionary.cambridge.org › dictionary › englishSPEED | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   the rate at which light or sound travels: The speed of light is 300 million metres per second. These planes travel at twice the speed of sound. [ C ] a gear :

4. www.merriam-webster.com › dictionary › speedSpeed Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › speed

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   speed. 1 of 2. noun. ˈspēd. Synonyms of speed. 1. a. : rate of motion: such as. (1) : velocity sense 1. (2) : the magnitude of a velocity irrespective of direction. b. : the act or state of moving swiftly : swiftness. c. : impetus. 2. : swiftness or rate of performance or action : velocity sense 3a. 3. a.

5. www.examples.com › physics › speedSpeed - Examples, Definition, Formula, Types, Units

   www.examples.com › physics › speed

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   Jul 2, 2024 · Speed is defined as the rate at which an object covers distance. It measures how quickly something is moving from one place to another, typically expressed in meters per second (m/s) or kilometers per hour (km/h).

6. en.wikipedia.org › wiki › SpeedSpeed - Wikipedia

   en.wikipedia.org › wiki › Speed

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   Galileo defined speed as the distance covered per unit of time. [3] In equation form, that is =, where is speed, is distance, and is time. A cyclist who covers 30 metres in a time of 2 seconds, for example, has a speed of 15 metres per second.

7. www.collinsdictionary.com › dictionary › englishSPEED definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   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).

8. www.oxfordlearnersdictionaries.com › definition › englishspeed noun - Definition, pictures, pronunciation and usage notes...

   www.oxfordlearnersdictionaries.com › definition › english

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   Definition of speed noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.