fill up

/fˈɪl ˈʌp/

to fill up

MAIN VERB

[phrase form: fill]

to make something become full

synonyms : fill

antonyms : empty

1.1

to add enough fuel to completely fill the tank of a vehicle

1.2

to become completely filled with a substance or material

synonyms : fill

antonyms : empty

eat until one is sated

synonyms : fill

fill or stop up

synonyms : close

**** become tearful

Examples

1. The bathtub filled up with water after a few minutes.

2. The gas pump offers a receipt after you fill up.

3. Filling up that signal bar on your phone.

4. - Filling up the bathtub?