plusquamperfectus Save DMLBS plusquamperfectus [CL al. div.] , (gram.): a (as adj.) pluperfect. b (as sb. n.) pluperfect tense. a Garl. Dict. 134 (v. hypersyntelicon); ‘non possederat’, quod est verbum temporis ~i Ockham Pol. II 441. b Aldh. PR 127 (v. perficere 9b); Bede AM 2357; Alcuin Gram. 875B; Ps.-Gros. Gram. 48 (v. perficere 9a).