/ Dictionary / Index D disequilibrium: Meaning and Definition of Find definitions for: dis•e•qui•lib•ri•um Pronunciation: (dis-ē"kwu-lib'rē-um, dis"ē-), [key] — n. lack of equilibrium; imbalance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disequilibrium (Thesaurus) disequilibrate disestablish Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language