1. to commit time, effort, or oneself completely to a particular activity or purpose
2. to formally present or inscribe something as a tribute to someone
3. to officially open or set apart for a special purpose

Examples

• She decided to dedicate her life to helping others.
• The author dedicated the book to her parents.
• He dedicates two hours every morning to exercise.
• The new library will be dedicated next month.
• They dedicated the memorial to fallen soldiers.
• She dedicated herself to mastering the piano.
• The team dedicated their victory to their coach.