Main entry: keen
Definition: a funeral lament sung with loud wailing
Definition: express grief verbally
Usage: we lamented the death of the child
Main entry: keen
Definition: having a sharp cutting edge or point
Usage: a keen blade
Main entry: lancinate, lancinating, keen, knifelike, stabbing, cutting, piercing
Definition: painful as if caused by a sharp instrument
Usage: a cutting wind; keen winds; knifelike cold; piercing knifelike pains; piercing cold; piercing criticism; a stabbing pain; lancinating pain
Main entry: great, groovy, neat, nifty, peachy, not bad, bang-up, keen, bully, dandy, corking, cracking, swell, slap-up, smashing
Definition: very good
Usage: he did a bully job; a neat sports car; had a great time at the party; you look simply smashing
Definition: intense or sharp
Usage: suffered exquisite pain; felt exquisite pleasure
Main entry: penetrating, penetrative, incisive, discriminating, piercing, acute, keen, knifelike, sharp
Definition: having or demonstrating ability to recognize or draw fine distinctions
Usage: an acute observer of politics and politicians; incisive comments; icy knifelike reasoning; as sharp and incisive as the stroke of a fang; penetrating insight; frequent penetrative observations