| noun | a funeral lament sung with loud wailing |
| verb | express grief verbally “we lamented the death of the child” |
| adjective | having or demonstrating ability to recognize or draw fine distinctions “an acute observer of politics and politicians” |
| adjective | intense or sharp “suffered exquisite pain” |
| adjective | very good “he did a bully job” |
| adjective | painful as if caused by a sharp instrument “a cutting wind” |
| adjective | having a sharp cutting edge or point “a keen blade” |
| keen | verb | express grief verbally |
| lament | noun | a mournful poem; a lament for the dead |
| lamentation | noun | a cry of sorrow and grief |
| lamenter | noun | a person who is feeling grief (as grieving over someone who has died) |
| keen | noun | a funeral lament sung with loud wailing |
| acuteness | noun | a quick and penetrating intelligence |
| incisiveness | noun | keenness and forcefulness of thought or expression or intellect |
| keenness | noun | a quick and penetrating intelligence |
| penetrate | verb | come to understand |
| sharpness | noun | a quick and penetrating intelligence |