fi·ber·glass
ˈfī-bər-ˌglas 
1
: glass in fibrous form used in making various products (such as glass wool for insulation)
2
: a composite structural material of plastic and fiberglass
fiberglassed; fiberglassing; fiberglasses
: to protect or repair by applying fiberglass
Examples of fiberglass in a Sentence
Recent Examples on the Web
Tammy Ljungblad, Kansas City Star, 21 Nov. 2025
The Davek Elite has a decadently roomy four-foot canopy, a light yet sturdy fiberglass shaft, and a flexible frame that’s nearly indestructible, even in high winds.
—The Atlantic, 19 Nov. 2025
Melissa Repko, CNBC, 15 May 2025
Many mattress manufacturers switched to fiberglass as an alternative.
—Anna Giorgi, Verywell Health, 3 Sep. 2024
See All Example Sentences for fiberglass
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Noun
The Grand Hall is wrapped with over two miles of ribbon and adorned with more than 4,000 new ornaments, while handcrafted trees and oversized fiberglass displays showcase the handiwork of local artisans.
—Tammy Ljungblad, Kansas City Star, 21 Nov. 2025
The Davek Elite has a decadently roomy four-foot canopy, a light yet sturdy fiberglass shaft, and a flexible frame that’s nearly indestructible, even in high winds.
—The Atlantic, 19 Nov. 2025
Verb
Suppliers have shifted from materials like aluminum, which faces tariffs, to fiberglass.
—Melissa Repko, CNBC, 15 May 2025
Many mattress manufacturers switched to fiberglass as an alternative.
—Anna Giorgi, Verywell Health, 3 Sep. 2024
See All Example Sentences for fiberglass
Cite this Entry
“Fiberglass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiberglass. Accessed 26 Nov. 2025.
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