What does "joyless" mean?

Joyless: Not having joy; not causing joy; unenjoyable. -- Joy"less*ly, adv. -- Joy"less*ness, n. With downcast eyes the joyless victor sat. Dryden. Youth and health and war are joyless to him. Addison. [He] pining for the lass, Is joyless of the grove, and spurns the growing grass. Dryden.