1. having seams removed or opened; ripped apart at the seams

Examples

• The old jacket was unseamed at the shoulder after years of wear.
• She carefully unseamed the vintage dress to use the fabric for a new project.
• The unseamed edges of the fabric needed to be finished properly.
• His pants became unseamed during the vigorous game of football.
• The tailor unseamed the garment to make alterations.
• The unseamed seam revealed the poor quality of the original stitching.