The Oxford Thesaurus An A-Z Dictionary of Synonyms - lamentv.

1) mourn, bemoan, bewail, wail, weep (over) , grieve (for or over) , keen (over) , sorrow (for or over) : A year later, and she is still lamenting the death of her hamster?! --n. 2) lamentation, moaning, mourning; keen, dirge, elegy, knell, Requiem, monody, threnody, thanatopsis, epicedium, Scots and Irish coronach: Laments for Kitty's late husband were heard throughout the village.