Noun keenness has 3 senses
- acuteness, acuity, sharpness, keenness - a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"
--1 is a kind of intelligence
--1 has particulars: steel trap
- eagerness, avidity, avidness, keenness - a positive feeling of wanting to push ahead with something
--2 is a kind of enthusiasm
--2 has particulars: ardor, ardour, elan, zeal
- sharpness, keenness - thinness of edge or fineness of point
--3 is a kind of shape, form, configuration, contour, conformation
--3 has particulars: acuteness
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