[adjective] 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" Synonyms: acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, sharp
[adjective] high-pitched and sharp; "piercing screams"; "a shrill whistle" Synonyms: shrill, sharp
[adjective] 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" Synonyms: cutting, keen, knifelike, stabbing, lancinate, lancinating
[adjective] suitable for cutting or piercing; "incisive teeth"; "the piercing needle" Synonyms: incisive
[adjective] loud and sharp; "the piercing shriek of sirens"
