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

Cite this Entry

“Fill-in.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fill-in. Accessed 19 Sep. 2020.

More from Merriam-Webster on fill-in

Dictionary: Definition of fill-in

Comments on fill-in

What made you want to look up fill-in? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

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!