Plangent (adjective)

1. Having a mournful, ringing sound; echoing; resounding.
2. Expressive of sorrow, lamentation, or melancholy.

Origin:

Late 16th century from latin planctus meaning "lament, wail".

Examples:

1. The plangent sound of the funeral bells echoed through the town.
2. The plangent melody on the guitar fills the room with sadness.
3. Her voice had a plangent quality that touched the hearts of everyone who heard it.
4. The plangent winds howled through the night.
5. The plangent cries of the widows and orphans could be heard for miles.