1. not satisfactory; failing to meet expectations or requirements; inadequate or unsatisfactory
Usage: formal; often used in academic or professional contexts

Examples

• The student's dissatisfactory performance on the exam resulted in a failing grade.
• The restaurant received dissatisfactory reviews from most of its customers.
• The company's dissatisfactory response to customer complaints led to further frustration.
• His dissatisfactory work ethic made him unsuitable for the position.
• The dissatisfactory conditions in the facility prompted an immediate inspection.
• We found the service at the hotel to be dissatisfactory and requested a refund.