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   Speed

   /spēd/

   

   noun

   • 1. the rate at which someone or something is able to move or operate: "we turned onto 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 hurryracerunsprintdashboltdartrushhastenhurtlecareerstreakshootwhizzoomgo 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. People also ask

   What does speed mean in physics?

   • physics 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 Definition & Meaning | Dictionary.com

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   What does speed mean in photography?

   • a measure of the ability of a lens to pass light from an object to the image position, determined by the aperture and also the transmitting power of the lens. It increases as the f-number is decreased and vice versa 10. See at speed 11. See up to speed 12. Collins English Dictionary. Copyright © HarperCollins Publishers 1. 2. a. b. 3. 4. Informal

   SPEED definition and meaning | Collins English Dictionary

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   What is the difference between speed and velocity?

   • Velocity, a more learned or technical term, is sometimes interchangeable with speed : the velocity of light; it is commonly used to refer to high rates of speed, linear or circular: velocity of a projectile.

   SPEED Definition & Meaning | Dictionary.com

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   What is speed noun?

   • Definition of speed noun from the Oxford Advanced Learner's Dictionary [countable, uncountable] the rate at which somebody/something moves or travels The missile reaches speeds of 5  800 kilometres per hour. The train began to pick up speed (= go faster). It is best not to spray when wind speeds are greater than 5 miles per hour.

   speed noun - Definition, pictures, pronunciation and usage notes

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3. www.dictionary.com › browse › speedSPEED Definition & Meaning | Dictionary.com

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   Speed definition: rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity. See examples of SPEED used in a sentence.

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

   www.merriam-webster.com › dictionary › speed

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   Learn the various meanings and uses of the word speed as a noun and a verb, with synonyms, examples, and etymology. Find out how speed relates to motion, performance, photography, drugs, and more.

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6. www.vocabulary.com › dictionary › speedSpeed - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › speed

   Speed most often describes acceleration or a high rate of motion. When something picks up too much speed, it can run off course, like a kid on a bike zooming uncontrollably down a steep hill.

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

   dictionary.cambridge.org › dictionary › english

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   Learn the meaning of speed as a noun and a verb, with synonyms, antonyms, and related words. Find out how to use speed in different contexts, such as rate of movement, drug, photography, and computing.

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

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   3 days ago · Learn the various meanings and uses of the word speed, from rate of movement or action to a drug or a gear ratio. Find synonyms, pronunciation, examples and related words for speed.

9. dictionary.cambridge.org › learner-english › speedSPEED | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › learner-english › speed

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   Learn the meaning of speed as a noun and a verb, and how to use it in different contexts. Find out the synonyms, idioms, and phrasal verbs related to speed.

10. www.oxfordlearnersdictionaries.com › definitionspeed noun - Definition, pictures, pronunciation and usage ...

    www.oxfordlearnersdictionaries.com › definition

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    Learn the meaning, pronunciation and usage of the word speed as a noun in English. Find out the different senses of speed, such as rate of movement, quality of being quick, and gear on a bicycle or car.