/ Dictionary / Index A attitudinize: Meaning and Definition of Find definitions for: at•ti•tu•di•nize Pronunciation: (at"i-td'n-īz", -tyd'-), [key] — -nized, -niz•ing. to assume attitudes; pose for effect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: attitudinize (Thesaurus) attitudinarian Attius Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language