fibrous

adjective

fi·​brous ˈfī-brəs 

1

a

: 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

Synonyms

• stringy

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

Eating more fibrous foods at the same time can also help boost your overall tolerance while of course providing all the digestive perks of the real deal. —Erica Sloan, SELF, 20 Feb. 2025

That can include adding more fibrous foods to the diet or taking fiber supplements. —Amber J. Tresca, Verywell Health, 20 Feb. 2025

Coir, a fibrous material made from by-products of coconut husks; it is often used as a substitute for peat. Vermiculite, a fine, puffed, gold flecks mica, which helps with drainage. —Arricca Elin Sansone, Southern Living, 8 Jan. 2025

Most recipes will direct you to discard the dark green parts (the tough and fibrous leaves) or otherwise direct them to stock. —Li Goldstein, Bon Appétit, 25 Jan. 2025

Word History

Etymology

modification of Middle French fibreux, from fibre fiber

First Known Use

1597, in the meaning defined at sense 1a

Phrases Containing fibrous

• fibrous root

Kids Definition

fibrous

adjective

fi·​brous ˈfī-brəs 

1

: containing, consisting of, or resembling fibers

2

: tough entry 1 sense 1b, stringy

Medical Definition

fibrous

adjective

fi·​brous ˈfī-brəs 

1

: containing, consisting of, or resembling fibers

collagen is a fibrous protein

2

: characterized by fibrosis