/ Dictionary / Index D dysadaptation: Meaning and Definition of Find definitions for: dys•ad•ap•ta•tion Pronunciation: (dis-ad"up-tā'shun), [key] — n. Ophthalm. faulty adaptation of the iris and retina to light. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dysacousia dysanagnosia Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language