What Does “Fill sth out” Mean?
“Fill sth out” means to complete a form, document, or paper by writing the required information in the empty spaces.
Introduction
The phrase “fill sth out” is a common phrasal verb used in everyday English, especially when dealing with forms, applications, or questionnaires. The “sth” stands for “something,” usually referring to a document or form that needs information added. Understanding the fill sth out meaning helps learners know how to ask someone to complete a form or explain what action they are doing. This phrase is useful in many real-life situations, such as filling out job applications, registration forms, or surveys. Knowing how to use it correctly will improve your communication in both written and spoken English.
Quick Info Box
- Phrasal verb: fill something out
- Type: transitive
- Level: A2
- Short meaning: to complete a form by writing information on it
Structure (Grammar Rules)
“Fill sth out” is a separable phrasal verb. This means you can place the object between “fill” and “out” or after “out.”
- Fill something out (object between verb and particle)
- Fill out something (object after particle)
Examples:
- Please fill the form out.
- Please fill out the form.
How to Use “Fill sth out”?
You use “fill sth out” when you want to say that someone completes a form or document by writing information in the blank spaces. It is often used in formal or everyday situations where paperwork is involved. You can also use it to explain instructions or requests related to forms.
Examples
Imagine you arrive at a doctor’s office. The receptionist might say:
- “Please fill out this medical history form before your appointment.”
- “I need you to fill the registration form out before you see the doctor.”
- “Did you fill out the application form for the job?”
- “She filled out the survey quickly and handed it back.”
- “You must fill out all sections of the form to complete your registration.”
Common Mistakes
People sometimes confuse “fill sth out” with similar phrases or use incorrect word order. Here are some common errors and corrections:
- Incorrect: “Fill out the form it.”
- Correct: “Fill the form out.”
- Incorrect: “Fill the form in.”
- Correct: “Fill the form out.”
- Incorrect: “Fill out the form with information.”
- Correct: “Fill out the form.” (The phrase already means to add information)
Differences / Synonyms
There are similar phrasal verbs like “fill in” and “fill up,” but they have different meanings:
- Fill in: Often used in British English to mean completing a form. It is very close to “fill out,” but “fill out” is more common in American English.
- Fill up: Means to make something full, like filling up a glass or a gas tank.
- Complete: A formal synonym for “fill out,” used more in written language.
Example difference:
- American English: “Please fill out this form.”
- British English: “Please fill in this form.”
Common Collocations
The phrase “fill sth out” is often used with various types of documents or forms. Here are common collocations:
- Fill out a form: Complete any type of form.
- Fill out an application: Complete a job or school application.
- Fill out a survey: Provide answers on a questionnaire.
- Fill out a questionnaire: Similar to a survey, usually for research.
- Fill out paperwork: Complete official documents or records.
Related Phrasal Verbs
Here are related phrasal verbs of fill sth out:
Real-life Dialogue
Here is a short conversation using “fill sth out”:
Receptionist: “Could you please fill out this registration form?”
Visitor: “Sure, how long will it take?”
Receptionist: “Just a few minutes. Make sure to fill out all the fields.”
Visitor: “Got it. I’ll fill it out now.”
Practice
Try to complete the sentence below with the correct form of “fill sth out”:
- Please ________ the job application form before the interview.
Options:
- fill in
- fill out
- fill up
- fill on
FAQs
- What does “fill sth out” mean? It means to complete a form or document by adding information in the blank spaces.
- Is “fill out” the same as “fill in”? They are similar; “fill out” is more common in American English, and “fill in” is often used in British English.
- Can I say “fill something in” instead of “fill something out”? Yes, both are correct but may vary by region.
- Is “fill out” separable? Yes, you can put the object between “fill” and “out” or after “out.”
- When do I use “fill out”? Use it when completing forms, applications, or questionnaires.

