1. the action of finishing something or the state of being finished
2. the final stage of something being built or made

Examples

• The completion of the bridge took three years.
• She celebrated the completion of her degree.
• The project is nearing completion.
• Upon completion of the course, students receive a certificate.
• The completion date for the new building is next month.
• He felt great satisfaction at the completion of his novel.
• The completion of the merger created a larger company.