1. to give a new or different definition to something
2. to change the meaning or understanding of something

Examples

• The company decided to redefine its mission statement.
• Modern technology has redefined how we communicate.
• The dictionary will redefine several outdated terms.
• She helped redefine what it means to be successful.
• The new law redefines the boundaries of free speech.
• Scientists are working to redefine the classification system.
• The artist’s work redefined contemporary sculpture.