fills in

VERB

answer in writing

Synonyms

STRONGEST

fill out insert

WEAK

advise apprise clue complete inform notify post sign tell warn write in

Antonyms

WEAK

leave blank

VERB

act as substitute

Synonyms

STRONGEST

replace

WEAK

deputize insinuate interject interpose represent stand in substract take the place of understudy

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.

The Journal’s article fills in some of the blanks.

From Barron's • Apr. 28, 2026

Observing these young black holes during an intense growth phase fills in a missing chapter of cosmic evolution.

From Science Daily • Jan. 16, 2026

Haugstatter, Delpique’s right-hand man, handles scheduling and fills in for him on Fridays and Saturdays—Delpique’s days off.

From The Wall Street Journal • Dec. 13, 2025

Stepmother Ellen Hargitay fills in a lot of holes, without claiming to know everything about everything.

From Los Angeles Times • Jun. 26, 2025

My mind fills in the rest of it immediately.

From "Leah on the Offbeat" by Becky Albertalli