Thesaurus.com
Dictionary.com
Definitions

fill in

[fil-in] / ˈfɪlˌɪn /


VERB
act as substitute
Synonyms
Antonyms
WEAK
leave blank


fill-in


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.

He’s 6-foot-2, a gifted header of the ball, and can fill in all over the park.

From The Wall Street Journal • Jul. 11, 2026

“We’ve got guys that can fill in and have to be ready for the opportunity to step up,” midfielder Tyler Adams said.

From Los Angeles Times • Jul. 3, 2026

Only faraway refiners, such as those in India, could fill in the enormous gap.

From The Wall Street Journal • Jul. 1, 2026

"Choose method of message delivery, my choice. - two highly respected former ---- fill in the blank, immigration, scotland yard. sfo. . who may knock on her door and present the terms," Epstein wrote.

From BBC • Jun. 27, 2026

Fatima helps me fill in a form all about me: my age, date of birth, full name.

From "Without Refuge" by Jane Mitchell




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "fill in" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com