FIBER Synonyms: 73 Similar and Opposite Words

fiber

noun

ˈfī-bər

Definition of fiber

as in backbone

the strength of mind that enables a person to endure pain or hardship a person of lesser fiber would not have spoken out against such an injustice

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in wire

a thin, flexible structure that resembles a hair the fibers found on the victim's body came from a carpet in the suspect's home

Synonyms & Similar Words

Example Sentences

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.

Recent Examples of fiber Modern denim may also contain synthetic fibers to increase the fabric’s durability, softness, or stretch. — Britannica Editors, Encyclopedia Britannica, 23 Oct. 2026 One medium-sized apple has 4 grams of fiber, including soluble fiber, which delays sugar absorption into the bloodstream. — Jillian Kubala, HEALTH, 23 Oct. 2026 Thirty percent of the cellulose used to produce the fiber comes from recovered textile materials, while the remaining 70 percent comes from wood pulp. — Alexandra Harrell, Footwear News, 23 Oct. 2026 Additionally, there was a jaw piece and the wig, which was made out of muka, a fiber produced from New Zealand flax. — Kirbie Johnson, Allure, 23 Oct. 2026 See All Example Sentences for fiber

Recent Examples of Synonyms for fiber

Noun

The language that’s known as the backbone of the internet is now subject to what experts describe as one of the most notable vulnerabilities in recent memory.

— Kaitlyn Huamani, Los Angeles Times, 23 Oct. 2026
Stocchetto’s son Maurizio, the current owner, marked the 50th anniversary with a light refurbishment but one that kept the vintage backbone intact, from the brocades and mirrors to the marble floor and dark wood panels.

— Jaclyn DeGiorgio, Condé Nast Traveler, 22 Oct. 2026

Definition of backbone

Noun

Meanwhile, North Korea has been adding mines, barbed wire fences, tactical roads, anti-tank walls and other fortifications to what's already one of the world's most heavily armed borders.

— Arkansas Online, Arkansas Online, 24 Oct. 2026
The deputy made a U-turn and saw the man, who deputies say is 49-year-old Brenton Burke, kneeling under the truck’s steering column and pulling wires, the arrest report states.

— David Goodhue, Miami Herald, 23 Oct. 2026

Definition of wire

Noun

From YouTube influencers to Reddit threads, the health and wellness side of the internet is full of talk about peptides.

— Renée Onque, CNBC, 24 Oct. 2026
Social feeds and Reddit threads are where most grocery dupe discoveries happen, with shoppers posting side by side comparisons and taste tests of store brands against national favorites.

— Ashley Lynch, Charlotte Observer, 23 Oct. 2026

Definition of thread

Noun

Cornbread, barbecue chicken, grits and seasonal market vegetables now showcase Brock’s inventive, soulful cooking — and have brought diners back to the restaurant.

— Bill Addison, Los Angeles Times, 22 Oct. 2026
The art of assemblage, a cobbling together of things with glue, glitter, and grit, became a way of life.

— Leslie Camhi, New Yorker, 16 Oct. 2026

Definition of grit

Noun

Each fragrance is available as a $49 eau de parfum; a $25 body, hair and linen mist; a $20 solid fragrance that doubles as a bag charm, and a $10 scented candle.

— Ryma Chikhoune, Footwear News, 20 Oct. 2026
However, not long after production wrapped on season two, hair colorist Miichelle Sharma revealed that Abdalla has officially ditched her character’s blonde ribbons for a double-chocolate brunette that’s perfect for fall.

— Emily Tannenbaum, Glamour, 20 Oct. 2026

Definition of hair

Noun

That left Daniela Avanzini, Lara Raj, Megan Skiendiel and Yoonchae Jeung to carry a 19-song show that demanded extraordinary stamina, with relentless choreography executed in everything from chunky platform boots to precarious-looking silver heels.

— Théoden Janes, Charlotte Observer, 20 Oct. 2026
Under that gorgeous screen, the watch is packed with 32GB of storage, tons of sports modes to track your activities, and a myriad of other metrics, including overall stamina, sleep, VO2 max, recovery insights, and even wrist power.

— Kelsey Fogarty, PC Magazine, 6 Oct. 2026

Definition of stamina

Noun

However, attaching a metal wire directly to the delicate plasma filament would distort its structure.

— New Atlas, New Atlas, 22 Oct. 2026
Unifi and 10 other North and Central American yarn producers launched YarnProof, an initiative using FibreTrace technology to embed an invisible, permanent tracer into polyester filament yarn during extrusion.

— Alexandra Harrell, Footwear News, 13 Oct. 2026

Definition of filament

Browse Nearby Words

fibbing

fiber

fibers

See all Nearby Words

Cite this Entry

Style

“Fiber.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiber. Accessed 27 Oct. 2026.

Copy Citation

Synonyms of fiber

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on fiber

More from Merriam-Webster

Word of the Day

milieu

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE

Popular

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes