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
He was going to bring players back from NFL training camps to fill out the Tigers’ roster.
From The Wall Street Journal ● Sep. 2, 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’ve been volunteering here for 6 months. People fill out an adoption form. If I have time, I put it in the computer. But all the paperwork is filed by date in here.”
From "The Miscalculations of Lightning Girl" by Stacy McAnulty
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.
