Platitudinous

Plat`i·tu'di·nous adjective Abounding in platitudes; of the nature of platitudes; uttering platitudes. -- Plat`i*tu'di*nous*ness , noun
Found on http://www.encyclo.co.uk/webster/P/103

Platitudinous

• (a.) Abounding in platitudes; of the nature of platitudes; uttering platitudes.
Found on http://thinkexist.com/dictionary/meaning/platitudinous/
No exact match found