/ Dictionary / Index D defogger: Meaning and Definition of Find definitions for: de•fog•ger Pronunciation: (dē-fog'ur, -fô'gur), [key] — n. defroster (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. defog defoliant Related Content Daily Word Quiz: crockery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language