fiberfill

noun

fi·​ber·​fill ˈfī-bər-ˌfil 

: synthetic fibers used as a filling material (as for cushions)

Examples of fiberfill in a Sentence

Recent Examples on the Web

Our experts note that polyester fiberfill pillows generally respond well to dryer ball and hand-fluffing techniques when relatively new, but inexpensive polyester can become permanently matted as fibers tangle over time. — Colleen Sullivan, Martha Stewart, 22 Aug. 2026

Stuff the fish with beans or fiberfill, and then stitch it all the way closed. — Jodi Levine, Parents, 21 Aug. 2026

Hoffman says that polyester fiberfill is a popular option that provides solid support and resilience. — Quincy Bulin, Southern Living, 5 Mar. 2026

Just remember that polyester fiberfill and shredded foam are a no-no in a compost bin. — Mary Marlowe Leverette, The Spruce, 16 Jan. 2026

Word History

First Known Use

1962, in the meaning defined above

Rhymes for fiberfill

• basophil
• carboxyl
• daffodil
• neutrophil
• overkill
• overspill
• anthill
• backfill
• bluegill
• crossbill
• distil
• distill

Kids Definition

fiberfill

noun

fi·​ber·​fill -ˌfil 

: synthetic fibers used as a filling material (as for pillows)