1. in a way that shows tireless effort and persistence; without becoming weary

Examples

• She worked indefatigably to complete her research project.
• The volunteers searched indefatigably for the missing hiker.
• He campaigned indefatigably for civil rights throughout his career.
• The detective pursued the case indefatigably for over a decade.
• The teacher indefatigably helped struggling students after school.
• She practiced the piano indefatigably until she mastered the piece.