sententious

adjective

1. abounding in pithy aphorisms or maxims: a sententious book.
2. given to excessive moralizing; self-righteous.
3. given to or using pithy sayings or maxims: a sententious poet.
4. of the nature of a maxim; pithy.

adjective

1. characterized by or full of aphorisms, terse pithy sayings, or axioms
2. constantly using aphorisms, etc
3. tending to indulge in pompous moralizing

adj.mid-15c., “full of meaning,” from Middle French sententieux, from Latin sententiosus “full of meaning, pithy,” from sententia “thought; expression of a thought” (see sentence (n.)). Meaning “addicted to pompous moralizing” first recorded 1590s. Related: Sententiously; sententiousness.