Breadcrumb Home > Dictionary > Index I Improperia: Meaning and Definition of Find definitions for: Im•pro•pe•ri•a Pronunciation: (im"pro-pēr'ē-u), [key] — n. (used with a pl. v.) reproach (def. 8). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. improper fraction improper integral TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: pentimento Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language