sped up is not in our dictionary (yet). Here's what it could mean:

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verb

Increased in velocity; accelerated the rate of progress or occurrence of something.

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Competition inside China has also sped up innovation.

From BBC • May 27, 2026

But then I got enough money, and I actually sped up.

From The Wall Street Journal • May 25, 2026