1. [n]  something that causes great unhappiness; "her death was a great grief to John"
2. [n]  an emotion of great sadness associated with loss or bereavement; "he tried to express his sorrow at her loss"
3. [n]  sadness associated with some wrong done or some disappointment; "he drank to drown his sorrows"; "he wrote a note expressing his regret"
4. [n]  the state of being sad; "she tired of his perpetual sadness"
5. [v]  feel grief; eat one's heart out

Sorrow
The well-known and prolific human-rights advocate writes poems in memory of her husband, who died in 1995. The spare, mournful poems were translated from the Spanish by Carolyn Forche, who is a friend of Alegria`s. Chosen as a favorite collection of 2000 by the San Francisco Chronicle.

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1. \Sor"row\, n. [OE. sorwe, sorewe, sor?e, AS. sorg, sorh;
   akin to D. zorg care, anxiety, OS. sorga, OHG. sorga, soraga,
   suorga, G. sorge, Icel., Sw., & Dan. sorg, Goth. sa['u]rga;
   of unknown origin.]
   The uneasiness or pain of mind which is produced by the loss
   of any good, real or supposed, or by diseappointment in the
   expectation of good; grief at having suffered or occasioned
   evil; regret; unhappiness; sadness. --Milton.
         How great a sorrow suffereth now Arcite! --Chaucer.
         The safe and general antidote against sorrow is
         employment.                              --Rambler.
   Syn: Grief; unhappiness; regret; sadness; heaviness;
        mourning; affliction. See {Affliction}, and {Grief}.
   

2. \Sor"row\, v. i. [imp. & p. p. {Sorrowed}; p. pr. & vb.
   n. {Sorrowing}.] [OE. sorowen, sorwen, sorhen, AS. sorgian;
   akin to Goth. sa['u]rgan. See {Sorrow}, n.]
   To feel pain of mind in consequence of evil experienced,
   feared, or done; to grieve; to be sad; to be sorry.
         Sorrowing most of all . . . that they should see his
         face no more.                            --Acts xx. 38.
         I desire no man to sorrow for me.        --Sir J.
                                                  Hayward.