Breadcrumb Home > Dictionary > Index E effraction: Meaning and Definition of Find definitions for: ef•frac•tion Pronunciation: (i-frak'shun), [key] — n. Law. a breaking into a house, store, etc., by force; forcible entry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. effort syndrome effrontery ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language