/ Dictionary / Index P photophobia: Meaning and Definition of Find definitions for: pho•to•pho•bi•a Pronunciation: (fō"tu-fō'bē-u), [key] — n. Pathol. an abnormal sensitivity to or intolerance of light, as in iritis. an abnormal fear of light. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: photophobia (Thesaurus) photophilic photophobic Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language