fall in


Definition of fall in 

intransitive verb

1 : to sink inward the roof fell in

2 : to take one's proper place in a military formation

fall in with

1 : to concur with had to fall in with her wishes

2 : to harmonize with it falls in exactly with my views

3 : to begin associating with she fell in with a bad crowd

First Known Use of fall in

1719, in the meaning defined at sense 1

Keep scrolling for more

Learn More about fall in

Statistics for fall in

Look-up Popularity

Time Traveler for fall in

The first known use of fall in was in 1719

See more words from the same year

More from Merriam-Webster on fall in

See words that rhyme with fall in

Britannica English: Translation of fall in for Arabic Speakers

Comments on fall in

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


to make amends

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

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


Love words? Need even more definitions?

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