/ Dictionary / Index D dyslogia: Meaning and Definition of Find definitions for: dys•lo•gia Pronunciation: (dis-lō'ju, -jē-u), [key] — n. Pathol. inability to express ideas because of faulty reasoning or speech, due to a mental disorder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dyslogia (Thesaurus) dyslexic dyslogistic Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language