/ Dictionary / Index I isolation: Meaning and Definition of Find definitions for: i•so•la•tion Pronunciation: (ī"su-lā'shun, is"u-), [key] — n. an act or instance of isolating. the state of being isolated. the complete separation from others of a person suffering from contagious or infectious disease; quarantine. the separation of a nation from other nations by isolationism. a process whereby an idea or memory is divested of its emotional component. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isolation (Thesaurus) isolating isolation booth Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language