1. to convert into a fossil; to preserve (organic remains) in rock or mineral form
2. to become fixed, rigid, or outdated; to stop developing or changing
Usage: figurative

Examples

• Over millions of years, the ancient shells fossilizes into stone.
• The dinosaur's bones fossilizes when minerals replace the original material.
• His thinking fossilizes if he refuses to consider new ideas.
• Traditional customs can fossilizes without adaptation to modern society.
• The amber fossilizes insects perfectly, preserving them for study.
• When an organization fossilizes, it becomes resistant to change and innovation.