noun

1. A platitude or cliché.

2. Something that is ordinary; something commonly done or occurring.

3. A memorandum; something to be frequently consulted or referred to.

verb

1. To make a commonplace book.

2. To enter in a commonplace book, or to reduce to general heads.

3. To utter commonplaces; to indulge in platitudes.

adjective

1. Ordinary; not having any remarkable characteristics.

Synonyms: routine, undistinguished, unexceptional