1. 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'

Synonyms

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

2. penetrating, penetrative

tending to penetrate; having the power of entering or piercing

Example Sentences:
'a toxic penetrative spray applied to the surface'
'a cold penetrating wind'
'a penetrating odor'

Synonyms

• penetrating