Dictionary.com
Thesaurus.com
Synonyms

fill out

British  

verb

  1. to make or become fuller, thicker, or rounder

    her figure has filled out since her marriage

  2. to make more substantial

    the writers were asked to fill their stories out

  3. (tr) to complete (a form, application, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

fill out Idioms  
  1. 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]

  2. 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.

See Examples For:

“There’s so much on there you have to fill out, and those letters are small,” Corona Garza said in Spanish.

From Salon ● Oct. 31, 2026

You and the person you’ve authorized to submit your mailed ballot must fill out and sign the outside of the ballot envelope.

From Los Angeles Times ● Oct. 29, 2026

To do that, anyone who scans the QR code on the poster has to fill out a questionnaire, upload a photo and include a link to their LinkedIn profile.

From The Wall Street Journal ● Oct. 14, 2026

Another advantage, Heinrich says, is that "since we cut the cells into smaller areas, we can fill out special sizes more easily. You don't have to adhere to the regular pattern size."

From BBC ● Oct. 8, 2026

He’d called me downstairs to fill out an entry form for an upcoming regional meet.

From "Courage to Soar" by Simone Biles

Random Word

Spin the wheel and learn a new word!

Get a word


Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com