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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.

Most of Gaudí’s original plaster models and plans were destroyed in 1936 during the Spanish Civil War, leaving his successors to piece together what they could and fill in the gaps.

From The Wall Street Journal • Jun. 7, 2026

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

California has tried to keep people insured by using state tax money to fill in the gap for lower-income families.

From Los Angeles Times • Jun. 2, 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

Ella tried to resist gazing into the dark waters or letting her imagination fill in what could be lurking down there.

From "The Marvellers" by Dhonielle Clayton




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