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Definitions

fill-in

[fil-in] / ˈfɪlˌɪn /


fill in


VERB
act as substitute
Synonyms
Antonyms
WEAK
leave blank


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

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

Luke Kornet has a special vantage point on Wembanyama’s superpowers—and not only because San Antonio’s backup center has to fill in for him when he leaves the floor.

From The Wall Street Journal • May 2, 2026

I’ve heard so much about their lives together before me, but sometimes I wonder about what they chose not to tell me and it’s those blanks that I like to fill in.

From "Dumplin'" by Julie Murphy




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