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

Avocado peels are very fibrous and take a long time to break down in compost. —Brandee Gruener, Southern Living, 10 May 2026

While the leaves of full-size artichokes are fibrous with only a small fleshy base that's edible, the leaves of baby artichokes are completely tender and fully edible. —Jessica Saari Christensen, Better Homes & Gardens, 7 May 2026

Garbage disposals can grind small pieces of food and granules; however, large, hard and fibrous foods will cause clogs and residue over time in the disposal. —Bestreviews, Chicago Tribune, 6 May 2026

Fascia is a continuous web of fibrous tissue that wraps around and supports organs, muscles, bones, and every other structure of the body. —Scott Haak, EverydayHealth.com, 6 May 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