1. keen

a funeral lament sung with loud wailing

2. keen, lament

express grief verbally

Example Sentences:
'we lamented the death of the child'

• lament

3. acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp

having or demonstrating ability to recognize or draw fine distinctions

Example Sentences:
'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'

• acute
• discriminating
• incisive
• knifelike
• penetrating
• penetrative
• piercing
• sharp

4. exquisite, keen

intense or sharp

Example Sentences:
'suffered exquisite pain'
'felt exquisite pleasure'

• exquisite

5. bang-up, bully, corking, cracking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, smashing, swell

very good

Example Sentences:
'he did a bully job'
'a neat sports car'
'had a great time at the party'
'you look simply smashing'

• bang-up
• bully
• corking
• cracking
• dandy
• great
• groovy
• neat
• nifty
• not bad
• peachy
• slap-up
• smashing
• swell

6. cutting, keen, knifelike, lancinate, lancinating, piercing, stabbing

painful as if caused by a sharp instrument

Example Sentences:
'a cutting wind'
'keen winds'
'knifelike cold'
'piercing knifelike pains'
'piercing cold'
'piercing criticism'
'a stabbing pain'
'lancinating pain'

• cutting
• knifelike
• lancinate
• lancinating
• piercing
• stabbing

7. keen

having a sharp cutting edge or point

Example Sentences:
'a keen blade'