adj. Common; ordinary; trite; as, a commonplace person, or observation.
- n. An idea or expression wanting originality or interest; a trite or customary remark; a platitude. A memorandum; something to be frequently consulted or referred to. Commonplace book, a book in which records are made of things to be remembered.
- vb. To enter in a commonplace book, or to reduce to general heads.
- vb. To utter commonplaces; to indulge in platitudes.