/ Dictionary / Index M mourn: Meaning and Definition of Find definitions for: mourn Pronunciation: (môrn, mōrn), [key] — v.i. to feel or express sorrow or grief. to grieve or lament for the dead. to show the conventional or usual signs of sorrow over a person's death. —v.t. to feel or express sorrow or grief over (misfortune, loss, or anything regretted); deplore. to grieve or lament over (the dead). to utter in a sorrowful manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mourn (Thesaurus) Mounty mourner Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language