/ Dictionary / Index P platitudinize: Meaning and Definition of Find definitions for: plat•i•tu•di•nize Pronunciation: (plat"i-td'n-īz, -tyd'-), [key] — -nized, -niz•ing. to utter platitudes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: platitudinize (Thesaurus) platitudinarian platitudinous Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language