1. having too few people to operate effectively or adequately

Examples

• The hospital was undermanned during the holiday weekend.
• Our department has been undermanned since three employees quit last month.
• The undermanned security team struggled to monitor all the entrances.
• The restaurant was undermanned on the busiest night of the year.
• Due to budget cuts, the fire station remained undermanned for months.
• The undermanned crew worked overtime to complete the project on schedule.