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 of fibrous

• 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

However, the forest floor of its habitats is densely covered with fibrous plant material that may trap spores, Senanayake said. — Mindy Weisberger, CNN Money, 23 Oct. 2026

Homemade puree varies widely, often turning out wetter and more fibrous. — Lauren Schuster, Sacbee.com, 21 Oct. 2026

Asbestos is a group of fibrous substances that are both fire resistant and carcinogenic. — Rebecca Smullin Dawson, The Conversation, 25 Sep. 2026

This will make for a smooth, velvety soup without any fibrous bits. — Martha Stewart, 20 Sep. 2026

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