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

   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.

3. phys.libretexts.org › Bookshelves › University_Physics2.2: Speed and Velocity - Physics LibreTexts

   phys.libretexts.org › Bookshelves › University_Physics

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   Average velocity is defined as the change in position (or displacement) over the time of travel. In everyday usage, the terms “speed” and “velocity” are used interchangeably. In physics, however, they are distinct quantities. Speed is a scalar quantity and has only magnitude.

4. simple.m.wikipedia.org › wiki › SpeedSpeed - Simple English Wikipedia, the free encyclopedia

   simple.m.wikipedia.org › wiki › Speed

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   Speed is the distance an object moves in a given amount of time. [1] [2] [3] The distance is never negative. [5] . If a train takes 1 hour to travel 100 kilometers, it has a speed of 100 kilometers per hour (62 mph). In fact this is the average speed. [3] .

5. openstax.org › books › physics2.2 Speed and Velocity - Physics | OpenStax

   openstax.org › books › physics

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   In this section we will look at time, speed, and velocity to expand our understanding of motion. A description of how fast or slow an object moves is its speed. Speed is the rate at which an object changes its location. Like distance, speed is a scalar because it has a magnitude but not a direction. Because speed is a rate, it depends on the ...

6. dictionary.cambridge.org › essential-american-english › speedspeed definition | Cambridge Essential American Dictionary

   dictionary.cambridge.org › essential-american-english › speed

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   noun. us / spid/ Add to word list. B1. how fast something moves or happens: He was traveling at a speed of 90 mph. speed. verb. us / spid/ past tense and past participle sped. to move somewhere or happen very fast: The three men jumped into a car and sped away. be speeding. to be driving faster than you are allowed to. Phrasal verbs. speed up.

7. www.explainthatstuff.com › motionForces and motion: A simple introduction - Explain that Stuff

   www.explainthatstuff.com › motion

   • www.explainthatstuff.com
   •   › Science

   Oct 22, 2022 · The faster a car burns gas, the quicker it can go—the more speed it has. In science, we define speed as the distance something goes in a second. You can figure out a car's average speed by dividing how far it goes by how long it takes to get there. If a car is going at 100km/h (60mph), it can travel 100km (60 miles) in an hour.

8. www.physicstutorials.org › mechanics › kinematicsSpeed and Velocity with Examples :: Physics Tutorials

   www.physicstutorials.org › mechanics › kinematics

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   Speed can be defined as “how fast something moves” or it can be explained more scientifically as “the distance covered in a unit of time”. In daily life we use the first definition and say the faster object has higher speed. Speed does not show us the direction of the motion it just gives the magnitude of what distance taken in a given time.