/ Dictionary / Index D D. Litt.: Meaning and Definition of Find definitions for: D. Litt. Pronunciation: [key] Doctor of Letters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. D. Lit. D.L.O. Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language