Like Shelley's "Adonais"

• Plaintive, as a poem
• Expressing sorrow
• Like a mournful poem
• Legacies largely corrupt - sad
• Expressing poetic sorrow for something past
• Like Berg's "Violin Concerto"
• Melancholy
• Mournful English cricket side, by one account

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adjective EXAMPLES FROM OTHER ENTRIES ▪ elegiac verse EXAMPLES FROM CORPUS ▪ Both catch the film's elegiac mood, bathed in southern sunshine but overhung with impending death. ▪ Chahine Yavroyan's sound-design is a mosaic of distant gunfire, creaking hulks ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Elegiac \E*le"gi*ac\, n. Elegiac verse.