lament Definition

lament
verb

tr & intr
lamented, lamenting
1. To feel or express regret or sadness.

Thesaurus: weep, grieve, moan, sorrow, wail, bemoan; rue, regret, deplore; Antonym: celebrate, rejoice.

noun

1. An expression of sadness, grief, regret, etc.
2. A poem, song, etc which expresses great grief, especially following someone's death.

Etymology: 16c: from Latin lamentari to wail or moan.