Expressing poetic sorrow for something past

• Plaintive verse
• Plaintive, as a poem
• Like some of Thomas Gray's poetry
• Expressing sorrow
• Like Berg's "Violin Concerto"
• Mournful English cricket side, by one account
• Like funeral dirges

Wikipedia Word definitions in Wikipedia
The adjective elegiac has two possible meanings. First, it can refer to something of, relating to, or involving, an elegy or something that expresses similar mournfulness or sorrow. Second, it can refer more specifically to poetry composed in the form of ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Elegiac \E*le"gi*ac\ (?; 277), a. [L. elegiacus, Gr. ?: cf. F. Belonging to elegy, or written in elegiacs; plaintive; expressing sorrow or lamentation; as, an elegiac lay; elegiac strains. Elegiac griefs, and songs of love. --Mrs. Browning. Used in elegies; ...