uncheerful
/ˌʌnˈtʃɛrfʊl, ˈʌnˌtʃɛrfʊl/Definitions
1. adjective
Lacking cheer or brightness; gloomy or dismal.
“She felt uncheerful after the news of the storm damage.”
2. noun
A state or feeling of being uncheerful.
“The uncheerfulness in the room was palpable.”