from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • intransitive v. To feel or express grief or sorrow. See Synonyms at grieve.
  • intransitive v. To show grief for a death by conventional signs, as by wearing black clothes.
  • intransitive v. To make a low, indistinct, mournful sound. Used especially of a dove.
  • transitive v. To feel or express deep regret for: mourned the wasted years.
  • transitive v. To grieve over (someone who has died).
  • transitive v. To utter sorrowfully.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To express sadness or sorrow for; to grieve over (especially a death).
  • n. Sorrow, grief.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To express or to feel grief or sorrow; to grieve; to be sorrowful; to lament; to be in a state of grief or sadness.
  • intransitive v. To wear the customary garb of a mourner.
  • transitive v. To grieve for; to lament; to deplore; to bemoan; to bewail.
  • transitive v. To utter in a mournful manner or voice.

from The Century Dictionary and Cyclopedia

  • To express grief or sorrow; grieve; be sorrowful; lament.
  • To display the appearance of grief; wear the customary habiliments of sorrow.
  • Synonyms Grieve, etc. See lament, v. i.
  • To grieve for; lament; bewail; deplore.
  • To convey or express grief for.
  • Sorrowful.
  • To have a kind of malignant glanders: said of a horse, and allusively of persons, in the phrase to mourn of the chine or mourning of the chine. Compare to mose in the chine (under mose), and see mourner.
  • n. Sorrow.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. feel sadness
  • v. observe the customs of mourning after the death of a loved one


Middle English mournen, from Old English murnan; see (s)mer-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Old English murnan, cognate with French morneĀ ("gloomy"). (Wiktionary)


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