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

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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 Common triggers, Ligresti said, include a lack of soluble fiber, a sudden dietary change, a spike in stress or too much coffee. — Hanna Wickes, Sacbee.com, 29 Aug. 2026 The fibers help stop cracks from moving freely through the material. — Atharva Gosavi, Interesting Engineering, 29 Aug. 2026 Recycled fibers must compete against cheaper virgin materials. — Alexandra Harrell, Footwear News, 28 Aug. 2026 Chia seeds contain 10 grams of fiber per ounce, and flaxseed meal has 6 grams. — Sarah Martens, Better Homes & Gardens, 28 Aug. 2026 See All Example Sentences for fiber

Recent Examples of Synonyms for fiber

Noun

The tablet combines bictegravir, the backbone of Gilead’s blockbuster HIV pill Biktarvy, with lenacapavir, a first-in-class capsid inhibitor that has become a centerpiece of the company’s long-term strategy for HIV treatment and prevention.

— Justina Lee, CNBC, 28 Aug. 2026
Combine drought with fire and the backbone of the Everglades — its marshy peat soil — also becomes more vulnerable.

— Jenny Staletovich, Miami Herald, 27 Aug. 2026

Definition of backbone

Noun

In May 2020, Loughlin and Mossimo pleaded guilty to wire and mail fraud after they were accused of paying $500,000 for their daughters’ admission into the University of Southern California.

— Charna Flam, PEOPLE, 1 Sep. 2026
Will there be anybody available on the waiver wire who would walk through the door and, without a single day in the playbook, be a better option to protect Burrow’s blind side than Foster?

— Paul Dehner Jr, New York Times, 31 Aug. 2026

Definition of wire

Noun

As her translator, Anedda’s thought, as well as some of her courage, became part of my existence in the long months such a project entails.

— Wallis Wilde-Menozzi, Literary Hub, 27 Aug. 2026
With their conceit, the clout chasers have turned his courage into a template without asking what made the original worth copying.

— Jerry Brewer, New York Times, 26 Aug. 2026

Definition of courage

Noun

In a strange way, Alexia Putellas’ move to London City Lionesses this summer encapsulates an enduring thread of recent transfer windows in the Women’s Super League.

— Katie Whyatt, New York Times, 1 Sep. 2026
The app’s home page will feature a personalized list of posts from a user’s preferred sites, with another tab dedicated to game threads.

— Sportico Staff, Sportico.com, 31 Aug. 2026

Definition of thread

Noun

Redmond noted that the retailer is also bringing in some K-beauty as part of the new assortment, and is increasing its penetration in hair care too.

— Kathryn Hopkins, Footwear News, 26 Aug. 2026
Scalp massages increase blood flow to the area, which can significantly promote hair growth.

— Reece Andavolgyi, InStyle, 26 Aug. 2026

Definition of hair

Noun

This one play offers a new snapshot of just how involved playing quarterback is and how much mental stamina and awareness will always be folded in.

— Dan Wiederer, New York Times, 26 Aug. 2026
That might be due to grit, stamina—or a little psychological trick called a coping mantra.

— Angela Haupt, Time, 26 Aug. 2026

Definition of stamina

Noun

The manufacturer struck a strategic partnership with Ambercycle in January 2025 to scale filament yarn made with the Los Angeles company’s Cycora regenerated polyester.

— Alexandra Harrell, Footwear News, 26 Aug. 2026
Instead of selecting colors only from a digital palette, users can match model colors with real filament colors.

— Nia Bowers, USA Today, 19 Aug. 2026

Definition of filament

Browse Nearby Words

fibbing

fiber

fibers

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“Fiber.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiber. Accessed 1 Sep. 2026.

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Synonyms of fiber

noun

Example Sentences

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