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speed up

Meaning: to move faster, or to increase the speed of something

Synonym: accelerate

For example:

  • speed up When the lights turn amber, you should slow down, not speed up.

  • speed sth up Drugs like cocaine and amphetamines speed the heart up, and they can even cause a heart attack.

  • speed up sth If we don't speed up construction, we'll miss the completion date.

Quick Quiz:

If you don't speed up, we're going to be
  1. late
  2. early
  3. on time

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