KEE'NNESS, noun Eagerness; vehemence; as the keenness of hunger. 1. Sharpness; fineness of edge; as the keenness of a razor. 2. The quality of piercing; rigor; sharpness; as the keenness of the air or of cold. 3. Asperity; acrimony; bitterness; as the keenness of satire, invective or sarcasm. 4. Acuteness; sharpness; as the keenness of wit.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI