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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
to fill in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to fill in" is correct and usable in written English.
You can use it to refer to the act of providing information, such as on a form. For example: "Please fill in your contact information on the form."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(9)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Care to fill in the details there?
News & Media
Learning is meant to fill in gaps.
News & Media
I was asked to fill in as a Sunny.
News & Media
Not to fill in for men.
News & Media
Devoted to fluidity, Riley doesn't like to fill in everything.
News & Media
3) Able to fill in forms.
Science
They need someone to fill in for them'.
Science
Time needed to fill in was 13.7 ± 9.0 minutes.
The players were asked to fill in daily activities diary.
Fillers are necessary to fill in spaces between some cabinets.
Wiki
I volunteered to fill in.
News & Media
Expert writing Tips
Best practice
When using "to fill in" to refer to completing a form, ensure that instructions are clear to avoid ambiguity for the person filling it.
Common error
Avoid using "to fill in" when a more specific verb like "complete", "substitute", or "inform" would provide greater clarity and precision in your writing.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "to fill in" functions primarily as a verb indicating the action of completing something by adding necessary information or substituting for someone temporarily. As confirmed by Ludwig AI, this phrase is grammatically sound and widely used.
Frequent in
News & Media
30%
Science
30%
Wiki
15%
Less common in
Formal & Business
10%
Reference
5%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrasal verb "to fill in" is a versatile and frequently used expression in English. As Ludwig AI confirms, it is grammatically correct and appropriate for various contexts, including completing forms, substituting for someone, or providing missing information. Its prevalence across news, science, and general writing makes it a valuable addition to anyone's vocabulary. Remember to consider the specific context to ensure the most precise and effective communication. While widely accepted, it's advisable to use more specific verbs like "complete" or "substitute" when possible to enhance clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
to complete
Focuses on finishing something by adding necessary information or elements.
to substitute for
Emphasizes replacing someone or something temporarily.
to inform
Highlights the act of providing missing details or clarifying information.
to stand in for
Implies temporarily taking someone's place or role.
to flesh out
Refers to adding more details to make something more complete.
to supplement
Suggests adding extra elements to enhance or complete something.
to take over
Focuses on assuming responsibility for something, often temporarily.
to annotate
Involves adding explanatory notes or comments.
to step in
Emphasizes intervening or taking action in someone's absence.
to elucidate
Means to make something clearer by providing more information.
FAQs
How can I use "to fill in" in a sentence?
You can use "to fill in" to mean completing a form or providing missing information. For example, "Please fill in the application form" or "He asked me to fill in the details of the meeting".
What are some alternatives to "to fill in"?
Depending on the context, you can use alternatives such as "to complete", "to substitute for", or "to inform".
Is it better to say "fill in" or "fill out"?
Both "fill in" and "fill out" are acceptable and commonly used, but "fill out" is often preferred in American English, while "fill in" is more common in British English.
How does "to fill in" differ from "to fill out"?
While both phrases are very similar, "to fill out" generally refers specifically to completing a form, whereas "to fill in" can also mean providing missing information in a broader sense.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested