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1. Dictionary

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

   www.dictionary.com › browse › speed

   • Cached

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

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

   www.merriam-webster.com › dictionary › speed

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   The meaning of SPEED is rate of motion. How to use speed in a sentence. Synonym Discussion of Speed.

4. 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. Speed can be a noun or verb. As a noun, it's an indicator of pace, as in the speed of a car.

5. 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 :

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

   www.collinsdictionary.com › dictionary › english

   • Cached

   The speed of something is the rate at which it moves or travels. He drove off at high speed. With this type of camera, the shutter speed is fixed. An electrical pulse in a wire travels close to the speed of light. Wind speeds reached force five.

7. en.m.wikipedia.org › wiki › SpeedSpeed - Wikipedia

   en.m.wikipedia.org › wiki › Speed

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   Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second (m/s), but the most common unit of speed in everyday usage is the kilometre per hour (km/h) or, in the US and the UK, miles per hour (mph). For air and marine travel, the knot is commonly used.

8. www.dictionary.com › browse › speedSPEED Definition & Usage Examples | Dictionary.com

   www.dictionary.com › browse › speed

   • Cached

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

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

   dictionary.cambridge.org › dictionary › learner-english

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   SPEED definition: 1. how fast something moves or happens: 2. very fast movement: 3. to move somewhere or happen…. Learn more.

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

    www.thefreedictionary.com › speed

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    1. rapidity in moving, traveling, performing, etc.; swiftness. 2. relative rate of motion or progress: the speed of light. 3. a gear ratio in a motor vehicle or bicycle. 4. a. the sensitivity of a photographic film or paper to light. b. the length of time a shutter is opened to expose film.

11. www.britannica.com › dictionary › speedSpeed Definition & Meaning | Britannica Dictionary

    www.britannica.com › dictionary › speed

    • Cached

    SPEED meaning: 1 : the rate at which someone or something moves or travels; 2 : the rate at which something happens or is done