rapier /ˈɹeɪpˌɪə(ɹ)/adjective 2noun 1forms 1 adjective2 •Extremely sharp. •Cutting; employing keen wit.John is very quick on his feet during interviews by using his rapier responses. noun1 •A slender, straight, sharply pointed sword (double-edged, single-edged or edgeless), designed predominantly for thrusting; used during the Renaissance period of Europe for civilian duelling[…] In his lawless fit, Behind the arras hearing something stir, Whips out his rapier, cries ‘A rat, a rat!’ And in this brainish apprehension kills The unseen good old man. — 1599 formsrapiers