JOYLESSLY
joylessly
(adverb) in a joyless manner; without joy; “she greeted her guests joylessly”
Source: WordNet® 3.1
Etymology
Adverb
joylessly (comparative more joylessly, superlative most joylessly)
In a joyless manner.
Source: Wiktionary
JOYLESS
Joy"less, a.
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition