| Word | Definitions | Synonyms |
|---|---|---|
| keen | (noun) a funeral lament sung with loud wailing | - |
| keenness | (noun) thinness of edge or fineness of point | Synonyms: sharpness |
| (noun) a quick and penetrating intelligence | Synonyms: acuity, acuteness, sharpness | |
| (noun) a positive feeling of wanting to push ahead with something | Synonyms: avidity, avidness, eagerness |