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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.

He will also serve as a lead correspondent for “48 Hours,” contribute to “60 Minutes,” and act as a fill-in anchor for CBS’s flagship broadcasts, she said.

From The Wall Street Journal • Dec. 9, 2025

Cummins may return for the second Test, and for now Scott Boland is a capable fill-in with an outstanding record in Australia.

From BBC • Nov. 5, 2025

He had little knowledge of weather when he was first hired by the station to do weather reports as a fill-in.

From Los Angeles Times • Oct. 23, 2025

Since early last week, fill-in hosts have been substituting for O’Kelly.

From Los Angeles Times • Oct. 15, 2025

This one was a last-minute fill-in for a famous violinist who’d gone down with the flu.

From "Goodbye Stranger" by Rebecca Stead