lament

(noun) a cry of sorrow and grief. Synonyms: lamentation, plaint, wail. Example: "Their pitiful laments could be heard throughout the ward."

(noun) a song or hymn of mourning composed or performed as a memorial to a dead person. Synonyms: dirge, coronach, requiem, threnody.

(noun) a mournful poem; a lament for the dead. Synonyms: elegy.

(verb) express grief verbally. Synonyms: keen. Example: "We lamented the death of the child."

(verb) regret strongly. Synonyms: deplore, bewail, bemoan. Examples: "I deplore this hostile action." "We lamented the loss of benefits."