lamentEnglishOxford English Thesauruslament noun 1 the widow's laments: wail, wailing, lamentation, moan, moaning, groan, weeping, crying, sob, sobbing, keening, howl, complaint; rare jeremiad, ululation. 2 he sang a lament for the dead: dirge, requiem, elegy, funeral song/chant, burial hymn, dead march, keen, plaint, knell; Scottish coronach; rare threnody, monody, epicedium.verb 1 the mourners lamented a life taken so suddenly: mourn, grieve (for/over), weep for, shed tears for; sorrow, wail, moan, groan, weep, cry, sob, keen, plain, howl, pine for, beat one's breast; rare ululate. ▷antonyms celebrate, rejoice. 2 he lamented the modernizing of the old buildings: bemoan, bewail, complain about, deplore, regret, rue; protest against, speak out against, object to, oppose, disagree with, fulminate against, inveigh against, rail at, make a fuss about, denounce.lament Oxford Dictionary of English