/ Dictionary / Index D deponent: Meaning and Definition of Find definitions for: de•po•nent Pronunciation: (di-pō'nunt), [key] — adj. (of a verb) appearing only in the passive or Greek middle-voice forms, but with active meaning. —n. a person who testifies under oath, esp. in writing. a deponent verb, as Latin loquor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deponent (Thesaurus) depone Depo-Provera 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