Breadcrumb Home > Dictionary > Index D dissimulation: Meaning and Definition of Find definitions for: dis•sim•u•la•tion Pronunciation: (di-sim"yu-lā'shun), [key] — n. the act of dissimulating; feigning; hypocrisy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dissimulation (Thesaurus) dissimulate dissipate ✖ Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language