1. a person who keeps something in good condition or working order
2. a person who provides financial support for someone or something
3. a person responsible for updating and managing software or systems
Usage: computing

Examples

• The park maintainer ensures all the equipment is safe for children.
• She works as a maintainer for the city’s water treatment facility.
• As the sole maintainer of his elderly parents, he handles all their expenses.
• The software maintainer released a security update last week.
• The building maintainer checks the heating system monthly.
• He became the maintainer of the open-source project after the original developer left.
• The road maintainer cleared snow from the highway early this morning.