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speed

This page is about the noun "speed", which can be both countable and uncountable

speed → uncountable

Meaning: how fast something or someone moves

Example sentence: Most people hate those machines the police use on the side of the road to measure speed.

speed → countable

Meaning: a particular speed

Example sentence: Many young men love the excitement they feel when riding a motorbike at dangerous speeds.

Quick Quiz:

In which sentence is the word "speed" uncountable?

a. He didn't start reducing the car's speed until he got to the city.

b. He kept driving at a very high speed until he got to the city.

Contributor: Matt Errey