Pronunciation: /fɪl ʌp/
verb to make something full or complete by adding something to it
A1 I need to fill up my water bottle before going to the gym.
A2 Can you fill up the gas tank before we hit the road?
B1 The restaurant offers free refills, so feel free to fill up your drink as much as you want.
B2 I always fill up my car with gas on Sundays to prepare for the week ahead.
C1 The chef filled up the pastry shells with delicious custard before baking them.
C2 After a long day of hiking, I like to fill up the bathtub and relax with a good book.
adverb in a way that makes something full or complete
A1 Please fill up the glass with water.
A2 I need to fill up my car with gas before we leave.
B1 The restaurant was so busy that we had to wait for a table to fill up.
B2 The stadium quickly began to fill up with excited fans.
C1 The company's profits continued to fill up as their new product gained popularity.
C2 Her schedule was so packed that she had to fill up every spare moment with work.
formal Please make sure to fill up the gas tank before starting the long journey.
informal Don't forget to fill up the cooler with drinks before we head to the beach.
slang I need to fill up my water bottle before we hit the trail.
figurative Her laughter seemed to fill up the room with joy.
filled up
fill ups
more filled up
most filled up
fill up
will fill up
have filled up
filling up
fills up
filled up
to fill up
filling up
filled up