Definition of Fast

moving at high speed or capable of high speed

Examples of Fast in a sentence

People who love to go fast could experience no greater thrill than the supersonic flight of a fighter jet.  

You must be fast to be on the track team, since nearly every event is about how quickly you can cover distance.  

If you want to be a fast learner you should study the material you initially learn at school once you get home.  

The roadrunner is a fast animal, but the cheetah is even faster, being able to run up to sixty miles an hour in a sprint.  

Someone with fast reflexes will usually be able to dodge something thrown at them on instinct.  

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