Thesaurus

fill-in

noun

Synonyms of fill-in

(Entry 1 of 2)

a person or thing that takes the place of another
  • I'm just a fill-in, so I have no idea where office supplies are kept

Synonyms for fill-in

Words Related to fill-in

fill in

verb

Synonyms & Antonyms of fill in (Entry 2 of 2)

1 to give information to
  • my friend quickly filled me in on the portion of the movie that I had missed

Synonyms for fill in

Words Related to fill in

Phrases Synonymous with fill in

Near Antonyms for fill in

2 to serve as a replacement usually for a time only
  • she's only filling in while the regular secretary is on vacation

Synonyms for fill in

Words Related to fill in

See the Dictionary Definition 

Keep scrolling for more

Learn More About fill-in

Time Traveler for fill-in

Time Traveler

The first known use of fill-in was in 1840

See more words from the same year

Thesaurus Entries Near fill-in

fillies

fill-in

fill in

See More Nearby Entries 

Cite this Entry

“Fill-in.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fill-in. Accessed 25 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!