Differences between fill in and fill up
Fill in and fill up are similar in that they both involve adding something to a container or space, but fill in is used when we want to complete a form or document with information, while fill up is used when we want to add enough of something to make it full.
Meanings and Definitions: fill in vs fill up
Learn how to use these expressions through these examples
Fill in
- 1Complete a form.
I FILLED IN the application form and posted it off.
- 2Substitute someone at work.
She's just had a baby, so we have hired someone to FILL IN for her.
Fill up
- 1Fill something completely.
I stopped at the garage and FILLED UP with petrol.
Usage Examples: fill in, fill up in Sentences
Learn how to use these expressions through these examples
fill in
Example
Please fill in the registration form before the event.
Example
He fills in the crossword puzzle every morning.
fill up
Example
Please fill up the water jug before the guests arrive.
Example
She fills up her car with gas every week.
Similar Expressions(Synonyms) of Fill in
To finish or provide all the necessary information required for a form or document.
Example
Please complete the form with your personal details and signature.
To provide or give something that is needed or required.
Example
Could you supply me with the missing information for this report?
Similar Expressions(Synonyms) of Fill up
load up
To add a large amount of something to a container or space.
Example
We need to load up the truck with all the equipment before heading to the job site.
stock up
To add enough of something to have a sufficient supply for future use.
Example
I'm going to stock up on groceries before the store closes for the weekend.
Differences in fill in vs fill up: Usage, Formality, and Tone
Frequency in Daily Use: fill in or fill up?
In everyday conversation, fill up is more common than fill in. We use fill up when we want to talk about filling a container or space with something, such as gas in a car or water in a glass. Fill in is less common and is mainly used when we're talking about completing forms or documents.
Informal vs Formal: Contextual Use of fill in and fill up
Fill in and fill up are both informal phrases that are suitable for everyday conversations. However, fill in can be used in more formal settings such as business or academic contexts when referring to completing forms or documents.
Tone and Implication: The Nuances of fill in and fill up
The tone of fill in and fill up can differ based on context. Fill in often carries a serious or formal tone when related to completing forms or documents, while fill up typically has a casual and practical tone, especially when referring to filling containers or spaces.
