Platitude :: Platitude (n.) The quality or state of being flat, thin, or insipid; flat commonness; triteness; staleness of ideas of language..
Platitude :: Platitude (n.) A thought or remark which is flat, dull, trite, or weak; a truism; a commonplace..
Platitudinarian :: Platitudinarian (n.) One addicted to uttering platitudes, or stale and insipid truisms..
Platitudinous :: Platitudinous (a.) Abounding in platitudes; of the nature of platitudes; uttering platitudes.