fi·​li·​form ˈfi-lə-ˌfȯrm How to pronounce filiform (audio) ˈfī- How to pronounce filiform (audio)
: shaped like a filament

Word History

First Known Use

1757, in the meaning defined above

Time Traveler
The first known use of filiform was in 1757

Dictionary Entries Near filiform

Cite this Entry

“Filiform.” Dictionary, Merriam-Webster, Accessed 26 Mar. 2023.

Medical Definition


1 of 2 adjective
fi·​li·​form ˈfil-ə-ˌfȯrm How to pronounce filiform (audio) ˈfī-lə- How to pronounce filiform (audio)
: shaped like a filament


2 of 2 noun
: an extremely slender bougie
Love words? Need even more definitions?

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

What Did You Just Call Me?

  • brown chihuahua sitting on the floor with squinting eyes looking at the camera
  • Before we went to her house, Hannah told us her aunt was a flibbertigibbet.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?