Synonyms of fills in

fills in

verb

present tense third-person singular of fill in

1

as in informs

to give information to

my friend quickly filled me in on the portion of the movie that I had missed

Synonyms & Similar Words

• informs
• tells
• advises
• briefs
• instructs
• clues (in)
• catches up
• teaches
• lets someone know
• familiarizes
• keeps (someone) posted
• verses
• educates
• apprises
• hips
• enlightens
• alerts
• discloses (to)
• acquaints
• notifies
• announces (to)
• clears
• advertises
• wises (up)
• lectures
• convinces
• schools
• assures
• reassures
• undeceives
• certifies
• warrants
• tutors
• disabuses
• disenchants
• disillusions

Antonyms & Near Antonyms

• misleads
• misinforms

2

as in substitutes

to serve as a replacement usually for a time only

she's only filling in while the regular secretary is on vacation

Synonyms & Similar Words

• substitutes
• stands in
• takes over
• covers
• steps in
• spells
• subs
• pinch-hits
• doubles (as)
• relieves
• understudies

Example Sentences

Recent Examples of fills in

Her brother, Tunji, fills in the British blanks for her, but life in Lagos was a time of playing on swings and watching her brother kick a ball with his friends. — Riann Phillip, Vogue, 15 July 2026

Use your phone to take a picture of that grocery run or dinner out, and the app fills in the price, category, labels and notes for you. — Sharon Wu, USA Today, 1 July 2026

Schmidt then fills in the blanks. — Glenn Whipp, Los Angeles Times, 1 June 2026

The silver shade covers the shoe’s panels, while black fills in the liner, midsole and branding. — Riley Jones, Footwear News, 24 May 2026

Now the same will be true for everyone who fills in the remainder of the coaching staff, both for the duration of this season and in the years to come. — Mac Cerullo, Boston Herald, 26 Apr. 2026

There, Sam unleashes reams upon reams of monologues about their past at a teary Mary, who fills in a few gaps. — Katie Walsh, Twin Cities, 18 Apr. 2026

When her girls, 6 and 8, aren’t in school, a mix of summer camps and family fills in the gaps. — Shay Castle, Denver Post, 30 Mar. 2026

Evans immediately fills in as Brock Purdy’s top pass-catching option, and more moves could come with Jauan Jennings also in free agency. — Scott Thompson, FOXNews.com, 9 Mar. 2026