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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

“I suggest the extra funds be used to fill in financial-planning holes and longer-term investments for growth. Funds are better suited toward longer term goals than sitting in lower-yielding savings accounts.”

From MarketWatch • May 8, 2026

I could have asked Shady to fill in the rest and saved myself some work.

From "Moon Over Manifest" by Clare Vanderpool




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