penetrating Synonyms

keen piercing sharp incisive penetrative knifelike deep discerning discriminating permeating searching perceptive stinging pungent probing astute insightful acute biting piping second-sighted sensitive sharper sharp-witted shrewd pervasive shrill shrilly sibylline smart powerful screechy quick quick-witted reaching puncturing profound sage sapient saucisson scholarly screeching prodding sagacious searing shrieking soprano spading wise needlelike