1. not changed in shape or form; maintaining original structure
Usage: often used in technical or scientific contexts

Examples

• The undeformed metal sample showed no signs of stress.
• Scientists studied the undeformed rock layers to understand geological history.
• The crash test used both deformed and undeformed vehicle parts for comparison.
• The undeformed crystal structure was perfectly symmetrical.
• Engineers examined the undeformed section of the bridge for reference.
• The fossil remained undeformed despite millions of years underground.