1. plural of keenness; the quality or state of being keen; sharpness or intensity
Usage: Usually used in the plural to refer to multiple instances or aspects of keenness

Examples

• The keennesses of the different blades varied depending on how they were sharpened.
• Her keennesses for learning and for sports made her an exceptional student.
• The keennesses of their competitive spirits drove them to excel.
• We noticed the keennesses in their eyes as they anticipated the announcement.
• The keennesses of winter winds made outdoor activities challenging.