1. synthetic fiber material used as stuffing or insulation in pillows, jackets, and other items

Examples

• The pillow was stuffed with soft fiberfill.
• Her winter jacket contains fiberfill insulation to keep her warm.
• The craft store sells bags of fiberfill for making stuffed animals.
• Polyester fiberfill is commonly used in comforters and quilts.
• The cushions lost their shape when the fiberfill compressed over time.
• She added more fiberfill to make the teddy bear plumper.