Home › Words › K › keennesskeennesskeenness means sharpness or cutting ability.EtymologyFrom keen + -ness.nounsharpness or cutting abilityastuteness or sagacityeagerness or enthusiasmDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.sharpness 81% match — the cutting ability of an edge; keenness. vs keenness →keenly 74% match — In a keen manner. vs keenness →acuteness 68% match — The quality of being acute or pointed. vs keenness →acrity 66% match — Sharpness, keenness or acridity. vs keenness →acuity 66% match — Sharpness or acuteness, as of a needle, wit, etc. vs keenness →incisiveness 63% match — The quality or state of being incisive; incisivity. vs keenness →astuteness 63% match — The quality of being astute. vs keenness →incisivity 63% match — The quality of being incisive; penetrating trenchancy; incisiveness. vs keenness →