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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

   Powered by Oxford Dictionaries

   More definitions, origin and scrabble points

2. 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.

   • Znaczenie Speed, Definicja W Cambridge English Dictionary

     speed definicja: 1. how fast something moves: 2. very fast...

   • Speed: Italian Translation

     speed translate: velocità, andare/correre velocemente,...

   • Speed: Arabic Translation

     SPEED translate: سُرْعة, يُسْرِع. Learn more in the...

   • Speed Turkish Translation

     SPEED translate: hız, sürat, hız, sürat, hız, sürat, hız,...

   • Speed: Catalan Translation

     speed translate: velocitat, anar a tota velocitat. Learn...

   • Speed: Russian Translation

     SPEED translate: скорость , скорость. Learn more in the...

   • Speed: Thai Translation

     SPEED translate: อัตราความเร็ว, ความรวดเร็ว,...

   • Speed: Korean Translation

     speed translate: 속도, 재빨리 움직이다. Learn more in the Cambridge...

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

   www.dictionary.com › browse › speed

   • Cached

   Speed is the rate of movement or operation of something or someone. It can also refer to the sensitivity of a film or paper to light, the gear ratio of a vehicle, or a stimulating drug.

4. Videos

   • 

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     11 - What is Definition of Average Speed & Velocity in Physics? (Speed Formula & Velocity Formula)

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     Speed (Definition/Calculation/Equation) - Physics Revision (Years 7, 8 & 9)

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5. 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.

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

   en.wikipedia.org › wiki › Speed

   • Cached

   Speed is the rate at which an object covers distance, and it is a scalar quantity. Learn how to calculate speed, the difference between speed and velocity, and the units of speed in various contexts.

   Speed	M/s	Ft/s	Km/h
   Global average sea level rise	0.00000000011	0.00000000036	0.0000000004
   Approximate rate of continental drift	0.0000000013	0.0000000042	0.0000000045
   Speed of a common snail	0.001	0.003	0.004
   A brisk walk	1.7	5.5	6.1

   See full list on en.wikipedia.org

7. dictionary.cambridge.org › dictionary › learner-englishMeaning of speed – Learner’s Dictionary - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › learner-english

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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, phrasal verbs and translations of speed in various languages.

8. www.thefreedictionary.com › speedSpeed - definition of speed by The Free Dictionary

   www.thefreedictionary.com › speed

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   speed. (spēd) n. 1. Physics The rate or a measure of the rate of motion, especially: a. Distance traveled divided by the time of travel. b. The limit of this quotient as the time of travel becomes vanishingly small; the first derivative of distance with respect to time. c. The magnitude of a velocity. 2.

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

   www.oxfordlearnersdictionaries.com › definition › english

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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.