fill out
Britishverb
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to make or become fuller, thicker, or rounder
her figure has filled out since her marriage
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to make more substantial
the writers were asked to fill their stories out
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(tr) to complete (a form, application, etc)
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Complete by supplying required information, especially in writing. For example, Please fill out the application form , or I don't quite understand this drawing, so fill out the details . [Late 1800s]
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Become enlarged, distended, rounded in outline. For example, The wind filled out the sails , or He's put on weight and really filled out . Applied to objects, this expression dates from about 1700, but to persons or animals becoming fatter, only from the late 1800s.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"If that's something that gets people back in the seats and re-interested in a classic that has to just continuously fill out that auditorium, then I would say that's a good thing."
From BBC ● Sep. 9, 2026
The rough share of Common App partner colleges now using “direct admissions” to accept students who didn’t even fill out an application.
From The Wall Street Journal ● Sep. 3, 2026
To find out what you’re eligible for, fill out the Free Application for Federal Student Aid, or FAFSA.
From MarketWatch ● Aug. 24, 2026
After buying the black-box deal on Groupon, Mystery Vacations sends buyers a form to fill out with their preferred travel dates and departure airports.
From The Wall Street Journal ● Aug. 13, 2026
“I had to fill out about a thousand forms.”
From "Son" by Lois Lowry
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
