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 Their combination of natural carbohydrates and fiber also makes dates popular among athletes and active individuals. — Daryl Austin, USA Today, 1 Aug. 2026 Promotes Heart Health Several nutrients found in lettuce—including fiber, folate, potassium, and antioxidants—support cardiovascular health. — Lynn Andriani, Martha Stewart, 31 July 2026 This fiber will also provide brands and retailers the opportunity to help meet sourcing and reporting goals while responding to growing consumer and stakeholder interest. — Sj Studio, Footwear News, 31 July 2026 The soluble fiber in lima beans also helps slow sugar absorption and reduce cholesterol levels, benefiting both heart and gut health. — Lana Barhum, Verywell Health, 30 July 2026 See All Example Sentences for fiber

Recent Examples of Synonyms for fiber

Noun

That pair — alongside Alejandro Kirk, who is under contract through 2030 — are the backbone of this team.

— Mitch Bannon, New York Times, 1 Aug. 2026
Millions of households that once formed the backbone of linear TV reach are no longer reachable through traditional cable buys.

— Kris Qiu, Forbes.com, 31 July 2026

Definition of backbone

Noun

The album’s mood is evocative of a hot summer’s day; the combination of live-wire drum breaks and breezy keys suggests the feeling of dipping your toes in the ocean when the temperature outside is pushing 90.

— Rae-Aila Crumble, Pitchfork, 3 Aug. 2026
Safely lift grease and grime from grill grates without wire bristles, harsh chemicals or endless scrubbing.

— ABC News, ABC News, 3 Aug. 2026

Definition of wire

Noun

Many of the others, for now, either lack the courage of Klaveness or, quite simply, still have confidence in him.

— James Horncastle, New York Times, 30 July 2026
The Gryffindor must hone wisdom, the Hufflepuff courage, the Ravenclaw ambition and the Slytherin loyalty.

— Emily Tarinelli, Los Angeles Times, 29 July 2026

Definition of courage

Noun

Actual trades and abilities aside, are there connective threads between what makes an athlete or an artist great?

— Marissa R. Moss, Rolling Stone, 3 Aug. 2026
To prove the effectiveness of thread-ectronic sensors, Sonkusale his team demonstrated how their innovation amplified subtle signals that could, in context, indicate stress, illness, and more.

— New Atlas, New Atlas, 2 Aug. 2026

Definition of thread

Noun

His voice has weathered over the years, but that only added character to songs built on grit and honesty.

— Jamie Graziano, Charlotte Observer, 31 July 2026
Lacking sufficient grit, intimacy and visceral impact, the show offers little to hold onto that isn’t being done better on too many other current shows to list here.

— Daniel Fienberg, HollywoodReporter, 30 July 2026

Definition of grit

Noun

The technology used to establish factual decisions proved effective, notwithstanding the complaints from Croatia and Norway about whether the ball had indeed brushed a strand of hair against Portugal or hit an overhead cable against England.

— Graham Scott, New York Times, 22 July 2026
The positivity rate rose to 21% among employees who underwent random hair testing, according to the company’s annual Drug Testing Index.

— A.J. Herrington, Forbes.com, 21 July 2026

Definition of hair

Noun

Within a week, Flaco had triumphed over the doubters who feared that an owl raised in captivity wouldn’t have the strength or stamina to survive in the outside world.

— Owen Gleiberman, Variety, 1 Aug. 2026
Standards call for consistency, repetition and competitive stamina when the thrill of the anticipation fades.

— Alec Lewis, New York Times, 30 July 2026

Definition of stamina

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fibbing

fiber

fibers

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“Fiber.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiber. Accessed 4 Aug. 2026.

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Synonyms of fiber

noun

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