1. the quality of being willing and able to help others

Examples

• Her helpfulness during the project was greatly appreciated by the team.
• The teacher praised the student’s helpfulness in organizing the classroom.
• His natural helpfulness made him popular among his neighbors.
• The helpfulness of the staff at the hotel exceeded our expectations.
• She was known for her helpfulness and willingness to volunteer.
• The helpfulness of the online tutorial saved me hours of work.