fibrous

adjective

fi·​brous ˈfī-brəs How to pronounce fibrous (audio)
Synonyms of fibrousnext
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

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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Imagine then having one of your testicles hit so hard that the tough fibrous tissue layer that surrounds the testicle gets torn open—kind of like tearing through an orange peel. — Bruce Y. Lee, Forbes.com, 26 July 2026 Spinach is among the most popular fibrous vegetables due to its versatility and high content of other essential vitamins and minerals, including iron. — Mélanie Defouilloy, Vogue, 16 July 2026 Epson’s Dry Fiber Technology produces highly functional materials by defibrating, binding and forming fibrous material in a waterless process. — Angela Velasquez, Footwear News, 14 July 2026 Males have more fibrous connections that form a criss-cross pattern between the top layer of skin and deeper tissue, which may provide the skin with greater stability and help prevent the appearance of cellulite. — Rena Goldman, Health, 28 June 2026 See All Example Sentences for fibrous

Word History

Etymology

modification of Middle French fibreux, from fibre fiber

First Known Use

1597, in the meaning defined at sense 1a

Time Traveler
The first known use of fibrous was in 1597

Phrases Containing fibrous

Browse Nearby Words

Fibrospongiae
fibrous
fibrous glass
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Cite this Entry

“Fibrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibrous. Accessed 7 Aug. 2026.

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Kids Definition

fibrous

adjective
fi·​brous ˈfī-brəs How to pronounce fibrous (audio)
1
: containing, consisting of, or resembling fibers
2
: tough entry 1 sense 1b, stringy

Medical Definition

fibrous

adjective
fi·​brous ˈfī-brəs How to pronounce fibrous (audio)
1
: containing, consisting of, or resembling fibers
collagen is a fibrous protein
2
: characterized by fibrosis

More from Merriam-Webster on fibrous

Nglish: Translation of fibrous for Spanish Speakers

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