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The meaning of SPEED is rate of motion. How to use speed in a sentence. Synonym Discussion of Speed.
speed noun (RATE OF MOVEMENT) Add to word list. B1 [ C or U ] how fast something moves: He was travelling at a speed of 90 mph. The car has a top speed of 155 miles per hour. You should lower / reduce your speed as you approach a junction. On a clear, straight road you can gather / pick up speed.
Speed definition: rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity. See examples of SPEED used in a sentence.
The speed of something is the rate at which it happens or is done. In the late 1850s the speed of technological change quickened. Each learner can proceed at his own 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.
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.
Speed is a very fast rate at which something happens or is done. I was amazed at his speed of working. Synonyms: swiftness , rush , hurry , expedition More Synonyms of speed
rate of movement/action. [countable, uncountable] the rate at which somebody/something moves or travels. at … speed at high/low/full/top speed. The five-door version has a maximum speed of 130 mph. a fast/slow speed. London traffic moves at an average speed of 11 mph.
SPEED meaning: 1 : the rate at which someone or something moves or travels; 2 : the rate at which something happens or is done
SPEED definition: 1. how fast something moves or happens: 2. very fast movement: 3. to move somewhere or happen…. Learn more.