Fiber — Meaning, Definition & Synonyms

noun /ˈfī-bər/ fi·ber

Meaning & Definition of Fiber

Fiber (noun)

  1. a thread or a structure or object resembling a thread
  2. a slender root (as of a grass)
  3. an elongated tapering thick-walled plant cell void at maturity that imparts elasticity, flexibility, and tensile strength

Fiber (noun) — Senses, Synonyms & Antonyms

  1. 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"

    similar: backbone, constancy, fortitude, grit, grittiness, guts, intestinal fortitude, pluck, spunk
    related: determination, purposefulness, resoluteness, resolution, bravery, courage, courageousness, daring, dauntlessness, doughtiness, fearlessness, gallantry, greatheartedness, intrepidity, intrepidness, nerve, stoutness, valor, endurance, forbearance, stamina, sufferance, tolerance, heart, mettle, spirit, audacity, boldness, brass, cheek, chutzpah, effrontery, gall, hardihood, nerviness, temerity
    opposite: spinelessness
    near: indecisiveness, irresoluteness, irresolution, vacillation, cowardice, cowardliness, cravenness, dastardliness, faintheartedness, pusillanimity, timidity, timorousness

  2. 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"

    similar: bristle, filament, hair, thread
    related: microfiber, cord, rope, string, wire, yarn, fuzz, tuft

Synonyms, Thesaurus & Another Word for Fiber

The most common words with a similar meaning to Fiber:

backbone, constancy, fortitude, grit, grittiness, guts, intestinal fortitude, pluck, spunk, bristle, filament, hair, thread

Antonyms & Opposite Words for Fiber

Words with the opposite meaning of Fiber:

spinelessness

Related Words for Fiber

determination, purposefulness, resoluteness, resolution, bravery, courage, courageousness, daring, dauntlessness, doughtiness, fearlessness, gallantry, greatheartedness, intrepidity, intrepidness, nerve, stoutness, valor, endurance, forbearance, stamina, sufferance, tolerance, heart, mettle, spirit, audacity, boldness, brass, cheek

Near Antonyms of Fiber

indecisiveness, irresoluteness, irresolution, vacillation, cowardice, cowardliness, cravenness, dastardliness, faintheartedness, pusillanimity, timidity, timorousness

Word Forms of Fiber

Derived words: fibered (adjective)

Origin & Etymology of Fiber

Middle French fibre, from Latin fibra

First known use: 1607

Vocabulary Lists & Topics for Fiber

Words & Phrases Containing Fiber

fiber-optic, fiber optics, acrylic fiber, bast fiber, carbon fiber, elastic fiber, glass fiber, modacrylic fiber

Frequently Asked Questions about Fiber

What does "Fiber" mean?

"Fiber" means a thread or a structure or object resembling a thread. As a noun, it is defined as: a thread or a structure or object resembling a thread. It has 2 distinct senses.

What is another word for "Fiber"?

Other words for "Fiber" include backbone, constancy, fortitude, grit, grittiness, guts, intestinal fortitude and pluck. The best synonym depends on which meaning of "Fiber" you intend.

What are different ways to say "Fiber"?

There are 57 words and phrases with a similar meaning to "Fiber". Common alternatives include backbone, constancy, fortitude, grit, grittiness, guts, intestinal fortitude, pluck, spunk and bristle.

What is the opposite of "Fiber"?

Antonyms of "Fiber" include spinelessness. Near antonyms include indecisiveness, irresoluteness, irresolution and vacillation.

How do you use "Fiber" in a sentence?

Examples of "Fiber" in a sentence: "a person of lesser fiber would not have spoken out against such an injustice"; "the fibers found on the victim's body came from a carpet in the suspect's home".

Is "Fiber" a noun, verb, or adjective?

"Fiber" is a noun.

Is "Fiber" useful for IELTS, TOEFL, and other English exams?

As a C1-level word, "Fiber" is typical of Cambridge C1 Advanced (CAE), IELTS band 7.0–8.0, TOEFL iBT 95–113, PTE Academic 76–84, TOEIC Listening & Reading 945+. Advanced words like this are also useful for the GRE, SAT, GMAT, and LSAT.

How do you pronounce "Fiber"?

"Fiber" is pronounced /ˈfī-bər/ and divided into syllables as fi·ber.