/ Dictionary / Index D dysthymia: Meaning and Definition of Find definitions for: dys•thy•mi•a Pronunciation: (dis-thī'mē-u), [key] — n. depression; despondency or a tendency to be despondent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dysthymia (Thesaurus) dysteleology dystonia Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language