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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.

There are two things: One is something people have said for a long time the pool needs, that somebody has to fill in the spaces between the concrete slabs to make sure they don’t leak.

From Slate • Jun. 4, 2026

Officials estimate Lake Powell will receive the least amount of water this year since the reservoir began to fill in 1963.

From The Wall Street Journal • May 15, 2026

But for now, without the Dutch couple to fill in the gaps and officials unable to fully reconstruct their travels, many questions about how this outbreak started remain unanswered.

From BBC • May 10, 2026

Although he acknowledged that Abel has “the biggest investment shoes to fill in the world,” he also had the best coach, and he had a lot of time to learn from him.

From MarketWatch • May 1, 2026

What he lacked was the real-world information that could fill in the gaps of the puzzle he was assembling.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau




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