/ Dictionary / Index F Frederick William II: Meaning and Definition of Find definitions for: Frederick William II Pronunciation: [key] 1744–97, king of Prussia 1786–97. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Frederick William I Frederick William III Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language