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.
And on Friday, they discovered that the May cyberattack on a widely used software development service was, in fact, caused by OpenAI agents trying to fill out spreadsheets and create reports.
From The Wall Street Journal ● Sep. 14, 2026
But teachers and principals don’t need a cue from on high to experiment, and they shouldn’t have to fill out reports every time they want to try something new.
From The Wall Street Journal ● Sep. 11, 2026
Real, Barca, PSG and Bayern are the top four on that list with Liverpool leading the six English clubs that fill out the top 10.
From BBC ● Sep. 3, 2026
It plans to eventually fill out its fleet with the Cybercab, a designated robotaxi that went into production in late April, and retire the other vehicles.
From MarketWatch ● Aug. 21, 2026
Irina immediately signed herself up—then quickly found others to fill out the list.
From "A Thousand Sisters" by Elizabeth Wein
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.
