\Sen*ten"tious\, a.[L. sentenciosus: cf. F. sentencieux.] 1. Abounding with sentences, axioms, and maxims; full of meaning; terse and energetic in expression; pithy; as, a sententious style or discourse; sententious truth. How he apes his sire, Ambitiously sententious! --Addison. 2. Comprising or representing sentences; sentential. [Obs.] ``Sententious marks.'' --Grew. --- {Sen*ten"tious*ly}, adv. -- {Sen*ten"tious*ness}, n.