/ Dictionary / Index D Diogenes: Meaning and Definition of Find definitions for: Di•og•e•nes Pronunciation: (dī-oj'u-nēz"), [key] — n. 412?–323 b.c., Greek Cynic philosopher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diogenes (Thesaurus) dioestrus diol Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language