fi·​brous | \ ˈfī-brəs How to pronounce fibrous (audio) \

Definition of fibrous

1a : containing, consisting of, or resembling fibers
b : characterized by fibrosis
c : capable of being separated into fibers a fibrous mineral
2 : tough, sinewy fibrous texture

Keep scrolling for more

Synonyms for fibrous



Visit the Thesaurus for More 

Examples of fibrous in a Sentence

He had surgery to remove fibrous scar tissue in his knee. thick, fibrous hair that was not easy to comb

Recent Examples on the Web

On the other hand, Mede says that white asparagus is more fibrous and has a tough, bitter skin that always needs to be peeled. Audrey Bruno, SELF, "3 Simple Ways to Cook With Asparagus," 5 Apr. 2019 Asbestos — a category of fibrous minerals known to cause cancer — often shows up in the same mines where talc is, causing contamination. Cheryl Wischhover, Vox, "Johnson & Johnson accused of hiding the asbestos in its baby powder for decades," 14 Dec. 2018 Fill in a finer hairstyle with a fibrous hair powder. Amy Marturana, SELF, "17 Styling Tricks Women with Fine, Flat Hair Need to Know," 21 Dec. 2018 To assemble, scoop out the fibrous matter and seeds from the squash and discard (or save the seeds for another use), then scoop out a 2-inch channel of flesh, chop or break it up, and mix it into the rice. Joe Yonan, The Seattle Times, "Vegetarian (or vegan) guests for Thanksgiving? Serve them this beauty," 13 Nov. 2018 Affecting up to 90 percent of women (due to estrogen and genetics), cellulite occurs when fat cells swell and push through the tight, fibrous tissue bands (or septa) walling them in, creating a dimpled or lumpy appearance. Allure, "The Skin-Care Glossary: A Comprehensive Guide to Everything You Need to Know," 17 Aug. 2018 In humans, these microbes help us break down fibrous plant materials found in beans, grains, and vegetables. Brian Resnick, Vox, "Farts: which animals do, which don’t, and why," 3 Apr. 2018 Each disk has a thick, fibrous outer layer and a gel-like center. Roy Berendson, Popular Mechanics, "The Back Pain Repair Manual," 22 May 2018 Coal dust particles enter the lungs, irritating the delicate lung tissue and eventually forming massive impenetrable fibrous tissue that significantly restricts the lung's functions and causes scarring, which can lead to lung failure and death. Beth Warren, The Courier-Journal, "Kentucky coal mine officials charged with cheating on key safety tests," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fibrous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of fibrous

1597, in the meaning defined at sense 1a

History and Etymology for fibrous

modification of Middle French fibreux, from fibre fiber

Keep scrolling for more

Learn More about fibrous

Statistics for fibrous

Last Updated

17 May 2019

Look-up Popularity

Time Traveler for fibrous

The first known use of fibrous was in 1597

See more words from the same year

Keep scrolling for more

More Definitions for fibrous



English Language Learners Definition of fibrous

: containing, made of, or resembling fibers


fi·​brous | \ ˈfī-brəs How to pronounce fibrous (audio) \

Kids Definition of fibrous

: containing, made of, or like fibers fibrous roots


fi·​brous | \ ˈfī-brəs How to pronounce fibrous (audio) \

Medical Definition of fibrous

1 : containing, consisting of, or resembling fibers collagen is a fibrous protein
2 : characterized by fibrosis

Keep scrolling for more

More from Merriam-Webster on fibrous

Thesaurus: All synonyms and antonyms for fibrous

Spanish Central: Translation of fibrous

Nglish: Translation of fibrous for Spanish Speakers

Comments on fibrous

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


a strong desire or propensity

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


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!