keen (
http://definr.com/keen)
adj 1: having or demonstrating ability to recognize or draw fine
distinctions; "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" [syn:
acute,
discriminating,
incisive,
knifelike,
penetrating,
penetrative,
piercing,
sharp]
2: intense or sharp; "suffered exquisite pain"; "felt exquisite
pleasure" [syn:
exquisite]
3: very penetrating and clear and sharp in operation; "an
incisive mind"; "a keen intelligence"; "of sharp and
active intellect" [syn:
incisive,
sharp]
4: (informal) very good; "a bully pulpit"; "a neat sports car";
"had a great time at the party"; "you look simply
smashing" [syn:
bang-up,
bully,
corking,
cracking,
dandy,
great,
groovy,
neat,
nifty,
not bad(p),
peachy,
slap-up,
swell,
smashing]
5: as physically painful as if caused by a sharp instrument; "a
cutting wind"; "keen winds"; "knifelike cold"; "piercing
knifelike pains"; "piercing cold"; "piercing criticism";
"a stabbing pain"; "lancinating pain" [syn:
cutting,
knifelike,
piercing,
stabbing,
lancinate,
lancinating]
6: having a sharp cutting edge or point; "a keen blade"
n : (Irish) a funeral lament sung with loud wailing
v : express grief verbally [syn:
lament]