penetrating

Synonyms: biting carrying clear-cut crisp cutting edged entering forcing going through infiltrating ingoing intrusive passing through penetrant permeating pervasive piercing pointed puncturing pungent sharp shrill strong trenchant

Antonyms: blunt dull

Synonyms: acute astute critical discerning discriminating incisive keen penetrative perceptive perspicacious profound quick quick-witted sagacious searching sharp sharp-witted shrewd

Antonyms: idiotic senseless stupid unintelligent