prickless,a.|ˈprɪklɪs| [f. prick n. + -less.] Having no pricks; without a sting; thornless. c1412Hoccleve De Reg.Princ. 3376 (Harl. MS.) Senek seith how þe kyng and þe ledere Of bees is prikkëles.1601Holland Pliny I. 118 Smooth and pricklesse plants.Mod.A prickless species of thistle.