/ Dictionary / Index F fleet admiral: Meaning and Definition of Find definitions for: fleet' ad"miral Pronunciation: [key] — U.S. Navy. U.S. Navy. the highest ranking naval officer, ranking next above admiral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fleet fleet ballistic missile submarine Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language