/ Dictionary / Index S somatization disorder: Meaning and Definition of Find definitions for: somatiza'tion disor"der Pronunciation: [key] a mental illness, usually beginning before age 20, characterized by multiple physical complaints for which no physical causes can be found and often leading to unnecessary treatment or surgery and to severe disability. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. somatist somato- 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