fills, filled, filling

to fill up
phrasal verb

To make something full by adding more to it
  • 1Please fill up the water bottle before we leave.
  • 2I need to fill up the car with gas.
When you fill up something, you add more to it until it is completely full. It's like pouring water into a glass until it reaches the top. You can fill up a gas tank, a bucket, or a container with anything that fits inside.
Card
When filling up a container, make sure to leave some space at the top to prevent spills or leaks. This extra room allows for movement without overflowing.
at a school
Preparing for the Next Class
Elizabeth
Jessica, could you help me fill up the supply cabinet with more paper and pens?
Jessica
Sure, Elizabeth. I noticed it's almost empty.
Elizabeth
Yes, we need to be ready for the next class.
Jessica
No problem, I'll start with the paper.
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Similar to "to fill up":
  • 1refill
  • 2top up