verb (adverb) (tr) to complete (a form, application, etc) to make or become completely full. noun fill-up. the act of filling something completely, esp the petrol tank of a car.

When to use fill up and fill out?

Language points
Phrasal verbs. Fill out, fill in and fill up are phrasal verbs. Fill up. Fill up can mean ‘make something become full’.Fill out. Fill in. Fill in, just like fill out, can mean ‘complete a form or document’.Fill in can mean ‘temporarily replace someone who is unable to do their job at that time’.

What is fill out and fill up?

So we see that “fill in” and “fill out” mean to complete a questionnaire, survey or form with the necessary information. “Fill up” means to make something full, generally with a liquid. As mentioned by the dictionary, it is often used to refer to a car’s fuel tank. For example “I need to fill up my car”.

Is it fill up or full up?

Full is an adjective, and means ‘containing a lot’: The theatre is completely full this evening. The room was full of books. Fill is a verb, and means ‘make or become full’.

How do you use the word fill up?

Examples of ‘fill up’ in a sentence fill up
Fill up on lots of vegetables and salads. It’s the kind of place that fills up fast for the season. Tax now makes up close to 75 per cent of the cost for motorists to fill up at the pump. `It’s good for us,’ he’d insisted, holding out his glass for a fill-up of water.

Had filled out meaning?

To complete (a form, for example) by providing required information: carefully filled out the job application. 2. To become or make more fleshy: He filled out after age 35. Idioms: fill (someone’s) shoes.