metamorphosis
/ˌmɛtəˈmɔrfəsɪs/
noun
- A complete change of form, structure, or substance, especially in the life cycle of some animals (e.g., caterpillar to butterfly) or in a person's development.
- The metamorphosis of a tadpole into a frog is a fascinating natural process.
- The city underwent a dramatic metamorphosis after the new park and buildings were built.
- Her personal metamorphosis from a quiet student to a public speaker amazed everyone.