unjoyous
/ˌʌnˈdʒɔɪ.əs, ˌʌnjɔɪ.əs/Definitions
1. adjective
feeling or expressing a lack of joy; unhappy or gloomy
“The unjoyous atmosphere in the abandoned house made us feel uneasy.”
2. adverb
in a way that lacks joy; unhappily
“She sang unjoyously, her voice trembling with sorrow.”